feat: add link creation and lookup

finally has the bare minimum functionality to say that it works!
feat: add sample endpoint to test JWT
2026-01-03 10:51:59 +01:00 · 2026-01-03 04:37:20 +01:00 · 2026-01-03 00:29:45 +01:00 · 2026-01-02 22:57:03 +01:00 · 2026-01-02 17:50:52 +01:00 · 2025-12-30 18:44:31 +01:00
37 changed files with 9753 additions and 132 deletions
--- a/.dockerignore
+++ b/.dockerignore
@@ -0,0 +1,3 @@
+.env
+*/.env
+*.md
--- a/.env.default
+++ b/.env.default
@@ -1,3 +1,7 @@
+# Server config
+ACCESS_TOKEN_PRIVATE_KEY=CHANGE_ME_TO_SOMETHING_RANDOM # Used to generate user tokens. Make sure this is pretty random.
+TRUSTED_ORIGINS=http://localhost:6568                  # Comma separated list of trusted origins. Make sure to include your PUBLIC_URL here.
+
 # TypeORM specific
 # Please make sure these match with docker-compose.yml, or your own postgres server.
 PG_USER=kitty
--- a/.gitea/workflows/01_docker.yaml
+++ b/.gitea/workflows/01_docker.yaml
@@ -0,0 +1,58 @@
+# Credits: https://www.vanmeeuwen.dev/blog/automating-docker-builds-with-gitea-actions
+# https://gitea.com/gitea/runner-images/src/branch/main/.gitea/workflows/release.yaml
+
+name: Build and push Docker image
+run-name: Build ${{  github.ref_name }} image
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker BuildX
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to registry
+        uses: docker/login-action@v2
+        with:
+          registry: gitea.7o7.cx
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Set outputs
+        id: vars
+        env:
+          BRANCH_NAME: ${{ github.ref_name }}
+        run: |
+          #echo branch_name="$BRANCH_NAME" | tee -a $GITHUB_OUTPUT
+          #echo short_hash=$(git rev-parse --short HEAD) | tee -a $GITHUB_OUTPUT
+          echo current_tag=$GITHUB_REF_NAME | tee -a $GITHUB_OUTPUT
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: |
+            linux/amd64
+            linux/arm64
+          pull: true
+          push: true
+          # Change when working on a different branch!
+          tags: |
+            gitea.7o7.cx/kittyteam/kittybe:master-${{ steps.vars.outputs.current_tag }}
+            gitea.7o7.cx/kittyteam/kittybe:latest
+
+      - name: Log out from registry
+        if: always()
+        run: docker logout gitea.7o7.cx
--- a/.gitea/workflows/02_release.yaml
+++ b/.gitea/workflows/02_release.yaml
@@ -0,0 +1,35 @@
+# Credits: # https://gitea.com/gitea/runner-images/src/branch/main/.gitea/workflows/release.yaml
+name: Release new version
+run-name: Release ${{  github.ref_name }}
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    container: docker.io/thegeeklab/git-sv:2.0.9
+    steps:
+      - name: Install tools
+        run: |
+          apk add -q --update --no-cache nodejs
+      - name: Checkout repository
+        uses: actions/checkout@v6
+        with:
+          fetch-tags: true
+          fetch-depth: 0
+
+      - name: Create changelog
+        run: |
+          git sv current-version
+          git sv release-notes -t ${GITHUB_REF#refs/tags/} -o CHANGELOG.md
+          sed -i '1,2d' CHANGELOG.md # remove version
+          cat CHANGELOG.md
+
+      - name: Release
+        uses: https://github.com/akkuman/gitea-release-action@v1
+        with:
+          body_path: CHANGELOG.md
+          token: "${{ secrets.REPO_RW_TOKEN }}"
--- a/.gitea/workflows/99_changelog.yaml
+++ b/.gitea/workflows/99_changelog.yaml
@@ -0,0 +1,37 @@
+# Credit: https://gitea.com/gitea/helm-gitea/src/branch/main/.gitea/workflows/changelog.yml
+name: Update changelog
+run-name: Update changelog on push
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - "*"
+
+jobs:
+  changelog:
+    runs-on: ubuntu-latest
+    container: docker.io/thegeeklab/git-sv:2.0.9
+    steps:
+      - name: Install tools
+        run: |
+          apk add -q --update --no-cache nodejs curl jq sed
+      - name: Checkout repository
+        uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+      - name: Generate upcoming changelog
+        run: |
+          git sv rn -o changelog.md
+          export RELEASE_NOTES=$(cat changelog.md)
+          export ISSUE_NUMBER=$(curl -s -H 'Authorization: token ${{ secrets.ISSUE_RW_TOKEN }}' "https://gitea.7o7.cx/api/v1/repos/kittyteam/kittyBE/issues?state=open&q=Changelog%20for%20upcoming%20version" | jq '.[].number')
+
+          echo $RELEASE_NOTES
+          JSON_DATA=$(echo "" | jq -Rs --arg title 'Changelog for upcoming version' --arg body "$(cat changelog.md)" '{title: $title, body: $body}')
+
+          if [ -z "$ISSUE_NUMBER" ]; then
+            curl -s -X POST "https://gitea.7o7.cx/api/v1/repos/kittyteam/kittyBE/issues" -H "Authorization: token ${{ secrets.ISSUE_RW_TOKEN }}" -H "Content-Type: application/json" -d "$JSON_DATA" > /dev/null
+          else
+            curl -s -X PATCH "https://gitea.7o7.cx/api/v1/repos/kittyteam/kittyBE/issues/$ISSUE_NUMBER" -H "Authorization: token ${{ secrets.ISSUE_RW_TOKEN }}" -H "Content-Type: application/json" -d "$JSON_DATA" > /dev/null
+          fi
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,6 @@ temp/

 # .env
 .env
+
+# wordlist
+src/tools/wordlist.ts
--- a/19
+++ b/19
@@ -0,0 +1,19 @@
+# Credit: https://www.digitalocean.com/community/tutorials/how-to-build-a-node-js-application-with-docker
+
+FROM node:24-trixie-slim AS builder
+
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci --only=production && npm cache clean --force
+COPY . .
+
+FROM node:24-trixie-slim AS production
+
+WORKDIR /app
+RUN addgroup --gid 1001 nodejs && \
+    adduser  --gid 1001 --uid 1001 nodejs
+COPY --from=builder --chown=nodejs:nodejs /app /app
+USER nodejs
+EXPOSE 6567
+
+CMD ["npm", "run", "server"]
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,12 +0,0 @@
-# This file will likely be moved into the main repo soon.
-services:
-
-	postgres:
-		image: "postgres:17.2"
-		ports:
-			- "5432:5432"
-		environment:
-			POSTGRES_USER: "kitty"
-			POSTGRES_PASSWORD: "CHANGEME"
-			POSTGRES_DB: "kittyurl"
-
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,23 +1,32 @@
 {
    "name": "kittyBE",
-    "version": "0.0.1",
+    "version": "0.0.0",
    "lockfileVersion": 3,
    "requires": true,
    "packages": {
        "": {
            "name": "kittyBE",
-            "version": "0.0.1",
+            "version": "0.0.0",
            "dependencies": {
+                "cors": "^2.8.5",
                "dotenv": "^17.2.3",
                "express": "^5.1.0",
+                "jsonwebtoken": "^9.0.3",
+                "lodash": "^4.17.21",
                "pg": "^8.16.3",
                "reflect-metadata": "^0.2.2",
                "swagger-jsdoc": "^6.2.8",
                "swagger-ui-express": "^5.0.1",
-                "typeorm": "0.3.27"
+                "typeorm": "0.3.27",
+                "zod": "^4.2.1"
            },
            "devDependencies": {
-                "@types/node": "^22.19.1",
+                "@types/cors": "^2.8.19",
+                "@types/express": "^5.0.6",
+                "@types/jsonwebtoken": "^9.0.10",
+                "@types/lodash": "^4.17.21",
+                "@types/node": "^22.19.3",
+                "nodemon": "^3.1.11",
                "ts-node": "^10.9.2",
                "typescript": "^5.8.2"
            }
@@ -181,22 +190,145 @@
            "devOptional": true,
            "license": "MIT"
        },
+        "node_modules/@types/body-parser": {
+            "version": "1.19.6",
+            "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.6.tgz",
+            "integrity": "sha512-HLFeCYgz89uk22N5Qg3dvGvsv46B8GLvKKo1zKG4NybA8U2DiEO3w9lqGg29t/tfLRJpJ6iQxnVw4OnB7MoM9g==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "@types/connect": "*",
+                "@types/node": "*"
+            }
+        },
+        "node_modules/@types/connect": {
+            "version": "3.4.38",
+            "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
+            "integrity": "sha512-K6uROf1LD88uDQqJCktA4yzL1YYAK6NgfsI0v/mTgyPKWsX1CnJ0XPSDhViejru1GcRkLWb8RlzFYJRqGUbaug==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "@types/node": "*"
+            }
+        },
+        "node_modules/@types/cors": {
+            "version": "2.8.19",
+            "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.19.tgz",
+            "integrity": "sha512-mFNylyeyqN93lfe/9CSxOGREz8cpzAhH+E93xJ4xWQf62V8sQ/24reV2nyzUWM6H6Xji+GGHpkbLe7pVoUEskg==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "@types/node": "*"
+            }
+        },
+        "node_modules/@types/express": {
+            "version": "5.0.6",
+            "resolved": "https://registry.npmjs.org/@types/express/-/express-5.0.6.tgz",
+            "integrity": "sha512-sKYVuV7Sv9fbPIt/442koC7+IIwK5olP1KWeD88e/idgoJqDm3JV/YUiPwkoKK92ylff2MGxSz1CSjsXelx0YA==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "@types/body-parser": "*",
+                "@types/express-serve-static-core": "^5.0.0",
+                "@types/serve-static": "^2"
+            }
+        },
+        "node_modules/@types/express-serve-static-core": {
+            "version": "5.1.0",
+            "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-5.1.0.tgz",
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+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "@types/node": "*",
+                "@types/qs": "*",
+                "@types/range-parser": "*",
+                "@types/send": "*"
+            }
+        },
+        "node_modules/@types/http-errors": {
+            "version": "2.0.5",
+            "resolved": "https://registry.npmjs.org/@types/http-errors/-/http-errors-2.0.5.tgz",
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+            "dev": true,
+            "license": "MIT"
+        },
        "node_modules/@types/json-schema": {
            "version": "7.0.15",
            "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz",
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            "license": "MIT"
        },
+        "node_modules/@types/jsonwebtoken": {
+            "version": "9.0.10",
+            "resolved": "https://registry.npmjs.org/@types/jsonwebtoken/-/jsonwebtoken-9.0.10.tgz",
+            "integrity": "sha512-asx5hIG9Qmf/1oStypjanR7iKTv0gXQ1Ov/jfrX6kS/EO0OFni8orbmGCn0672NHR3kXHwpAwR+B368ZGN/2rA==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "@types/ms": "*",
+                "@types/node": "*"
+            }
+        },
+        "node_modules/@types/lodash": {
+            "version": "4.17.21",
+            "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.17.21.tgz",
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+            "dev": true,
+            "license": "MIT"
+        },
+        "node_modules/@types/ms": {
+            "version": "2.1.0",
+            "resolved": "https://registry.npmjs.org/@types/ms/-/ms-2.1.0.tgz",
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+            "license": "MIT"
+        },
        "node_modules/@types/node": {
-            "version": "22.19.1",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.1.tgz",
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+            "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.3.tgz",
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            "devOptional": true,
            "license": "MIT",
            "dependencies": {
                "undici-types": "~6.21.0"
            }
        },
+        "node_modules/@types/qs": {
+            "version": "6.14.0",
+            "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.14.0.tgz",
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+            "dev": true,
+            "license": "MIT"
+        },
+        "node_modules/@types/range-parser": {
+            "version": "1.2.7",
+            "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.7.tgz",
+            "integrity": "sha512-hKormJbkJqzQGhziax5PItDUTMAM9uE2XXQmM37dyd4hVM+5aVl7oVxMVUiVQn2oCQFN/LKCZdvSM0pFRqbSmQ==",
+            "dev": true,
+            "license": "MIT"
+        },
+        "node_modules/@types/send": {
+            "version": "1.2.1",
+            "resolved": "https://registry.npmjs.org/@types/send/-/send-1.2.1.tgz",
+            "integrity": "sha512-arsCikDvlU99zl1g69TcAB3mzZPpxgw0UQnaHeC1Nwb015xp8bknZv5rIfri9xTOcMuaVgvabfIRA7PSZVuZIQ==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "@types/node": "*"
+            }
+        },
+        "node_modules/@types/serve-static": {
+            "version": "2.2.0",
+            "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-2.2.0.tgz",
+            "integrity": "sha512-8mam4H1NHLtu7nmtalF7eyBH14QyOASmcxHhSfEoRyr0nP/YdoesEtU+uSRvMe96TW/HPTtkoKqQLl53N7UXMQ==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "@types/http-errors": "*",
+                "@types/node": "*"
+            }
+        },
        "node_modules/accepts": {
            "version": "2.0.0",
            "resolved": "https://registry.npmjs.org/accepts/-/accepts-2.0.0.tgz",
@@ -269,6 +401,20 @@
                "node": ">=14"
            }
        },
+        "node_modules/anymatch": {
+            "version": "3.1.3",
+            "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.3.tgz",
+            "integrity": "sha512-KMReFUr0B4t+D+OBkjR3KYqvocp2XaSzO55UcB6mgQMd3KbcE+mWTyvVV7D/zsdEbNnV6acZUutkiHQXvTr1Rw==",
+            "dev": true,
+            "license": "ISC",
+            "dependencies": {
+                "normalize-path": "^3.0.0",
+                "picomatch": "^2.0.4"
+            },
+            "engines": {
+                "node": ">= 8"
+            }
+        },
        "node_modules/app-root-path": {
            "version": "3.1.0",
            "resolved": "https://registry.npmjs.org/app-root-path/-/app-root-path-3.1.0.tgz",
@@ -332,6 +478,19 @@
            ],
            "license": "MIT"
        },
+        "node_modules/binary-extensions": {
+            "version": "2.3.0",
+            "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.3.0.tgz",
+            "integrity": "sha512-Ceh+7ox5qe7LJuLHoY0feh3pHuUDHAcRUeyL2VYghZwfpkNIy/+8Ocg0a3UuSoYzavmylwuLWQOf3hl0jjMMIw==",
+            "dev": true,
+            "license": "MIT",
+            "engines": {
+                "node": ">=8"
+            },
+            "funding": {
+                "url": "https://github.com/sponsors/sindresorhus"
+            }
+        },
        "node_modules/body-parser": {
            "version": "2.2.1",
            "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-2.2.1.tgz",
@@ -365,6 +524,19 @@
                "balanced-match": "^1.0.0"
            }
        },
+        "node_modules/braces": {
+            "version": "3.0.3",
+            "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
+            "integrity": "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "fill-range": "^7.1.1"
+            },
+            "engines": {
+                "node": ">=8"
+            }
+        },
        "node_modules/buffer": {
            "version": "6.0.3",
            "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
@@ -389,6 +561,12 @@
                "ieee754": "^1.2.1"
            }
        },
+        "node_modules/buffer-equal-constant-time": {
+            "version": "1.0.1",
+            "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
+            "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA==",
+            "license": "BSD-3-Clause"
+        },
        "node_modules/bytes": {
            "version": "3.1.2",
            "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
@@ -451,6 +629,31 @@
            "integrity": "sha512-HpX65o1Hnr9HH25ojC1YGs7HCQLq0GCOibSaWER0eNpgJ/Z1MZv2mTc7+xh6WOPxbRVcmgbv4hGU+uSQ/2xFZQ==",
            "license": "MIT"
        },
+        "node_modules/chokidar": {
+            "version": "3.6.0",
+            "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.6.0.tgz",
+            "integrity": "sha512-7VT13fmjotKpGipCW9JEQAusEPE+Ei8nl6/g4FBAmIm0GOOLMua9NDDo/DWp0ZAxCr3cPq5ZpBqmPAQgDda2Pw==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "anymatch": "~3.1.2",
+                "braces": "~3.0.2",
+                "glob-parent": "~5.1.2",
+                "is-binary-path": "~2.1.0",
+                "is-glob": "~4.0.1",
+                "normalize-path": "~3.0.0",
+                "readdirp": "~3.6.0"
+            },
+            "engines": {
+                "node": ">= 8.10.0"
+            },
+            "funding": {
+                "url": "https://paulmillr.com/funding/"
+            },
+            "optionalDependencies": {
+                "fsevents": "~2.3.2"
+            }
+        },
        "node_modules/cliui": {
            "version": "8.0.1",
            "resolved": "https://registry.npmjs.org/cliui/-/cliui-8.0.1.tgz",
@@ -611,6 +814,19 @@
                "node": ">=6.6.0"
            }
        },
+        "node_modules/cors": {
+            "version": "2.8.5",
+            "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+            "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+            "license": "MIT",
+            "dependencies": {
+                "object-assign": "^4",
+                "vary": "^1"
+            },
+            "engines": {
+                "node": ">= 0.10"
+            }
+        },
        "node_modules/create-require": {
            "version": "1.1.1",
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@@ -749,6 +965,15 @@
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        "node_modules/send": {
            "version": "1.2.0",
            "resolved": "https://registry.npmjs.org/send/-/send-1.2.0.tgz",
@@ -1905,6 +2442,19 @@
                "url": "https://github.com/sponsors/isaacs"
            }
        },
+        "node_modules/simple-update-notifier": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/simple-update-notifier/-/simple-update-notifier-2.0.0.tgz",
+            "integrity": "sha512-a2B9Y0KlNXl9u/vsW6sTIu9vGEpfKu2wRV6l1H3XEas/0gUIzGzBoP/IouTcUQbm9JWZLH3COxyn03TYlFax6w==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "semver": "^7.5.3"
+            },
+            "engines": {
+                "node": ">=10"
+            }
+        },
        "node_modules/split2": {
            "version": "4.2.0",
            "resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
@@ -2035,6 +2585,19 @@
                "node": ">=8"
            }
        },
+        "node_modules/supports-color": {
+            "version": "5.5.0",
+            "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+            "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "has-flag": "^3.0.0"
+            },
+            "engines": {
+                "node": ">=4"
+            }
+        },
        "node_modules/swagger-jsdoc": {
            "version": "6.2.8",
            "resolved": "https://registry.npmjs.org/swagger-jsdoc/-/swagger-jsdoc-6.2.8.tgz",
@@ -2148,6 +2711,19 @@
                "node": ">= 0.4"
            }
        },
+        "node_modules/to-regex-range": {
+            "version": "5.0.1",
+            "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+            "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "is-number": "^7.0.0"
+            },
+            "engines": {
+                "node": ">=8.0"
+            }
+        },
        "node_modules/toidentifier": {
            "version": "1.0.1",
            "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
@@ -2157,6 +2733,16 @@
                "node": ">=0.6"
            }
        },
+        "node_modules/touch": {
+            "version": "3.1.1",
+            "resolved": "https://registry.npmjs.org/touch/-/touch-3.1.1.tgz",
+            "integrity": "sha512-r0eojU4bI8MnHr8c5bNo7lJDdI2qXlWWJk6a9EAFG7vbhTjElYhBVS3/miuE0uOuoLdb8Mc/rVfsmm6eo5o9GA==",
+            "dev": true,
+            "license": "ISC",
+            "bin": {
+                "nodetouch": "bin/nodetouch.js"
+            }
+        },
        "node_modules/ts-node": {
            "version": "10.9.2",
            "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.2.tgz",
@@ -2363,6 +2949,13 @@
                "node": ">=14.17"
            }
        },
+        "node_modules/undefsafe": {
+            "version": "2.0.5",
+            "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+            "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
+            "dev": true,
+            "license": "MIT"
+        },
        "node_modules/undici-types": {
            "version": "6.21.0",
            "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
@@ -2684,6 +3277,15 @@
            "engines": {
                "node": "^12.20.0 || >=14"
            }
+        },
+        "node_modules/zod": {
+            "version": "4.2.1",
+            "resolved": "https://registry.npmjs.org/zod/-/zod-4.2.1.tgz",
+            "integrity": "sha512-0wZ1IRqGGhMP76gLqz8EyfBXKk0J2qo2+H3fi4mcUP/KtTocoX08nmIAHl1Z2kJIZbZee8KOpBCSNPRgauucjw==",
+            "license": "MIT",
+            "funding": {
+                "url": "https://github.com/sponsors/colinhacks"
+            }
        }
    }
 }
--- a/package.json
+++ b/package.json
@@ -4,24 +4,33 @@
    "description": "Your go-to place for short and memorable URLs.",
    "type": "commonjs",
    "devDependencies": {
-        "@types/node": "^22.19.1",
+        "@types/cors": "^2.8.19",
+        "@types/express": "^5.0.6",
+        "@types/jsonwebtoken": "^9.0.10",
+        "@types/lodash": "^4.17.21",
+        "@types/node": "^22.19.3",
+        "nodemon": "^3.1.11",
        "ts-node": "^10.9.2",
        "typescript": "^5.8.2"
    },
    "dependencies": {
+        "cors": "^2.8.5",
        "dotenv": "^17.2.3",
        "express": "^5.1.0",
+        "jsonwebtoken": "^9.0.3",
+        "lodash": "^4.17.21",
        "pg": "^8.16.3",
        "reflect-metadata": "^0.2.2",
        "swagger-jsdoc": "^6.2.8",
        "swagger-ui-express": "^5.0.1",
-        "typeorm": "0.3.27"
+        "typeorm": "0.3.27",
+        "zod": "^4.2.1"
    },
    "scripts": {
-        "start": "ts-node src/index.ts",
+        "start": "ts-node src/app.ts",
+        "server": "ts-node src/app.ts",
        "typeorm": "typeorm-ts-node-commonjs",
        "newMigration": "typeorm-ts-node-commonjs migration:generate -p -d ./src/data-source.ts",
-        "pendingMigration": "typeorm-ts-node-commonjs migration:run -d ./src/data-source.ts",
-        "server": "ts-node src/app.ts"
+        "pendingMigration": "typeorm-ts-node-commonjs migration:run -d ./src/data-source.ts"
    }
 }
--- a/src/app.ts
+++ b/src/app.ts
@@ -1,25 +1,137 @@
-import * as express from 'express';
-import router from './routes';
+import express from 'express';
+import { version } from '../package.json';
+import { AppDataSource } from './data-source'
+import { Link } from './entities/Link';
+import inferUser from './middleware/inferUser';
+import miscRouter from './routes/miscRoutes';
+import userRouter from './routes/userRoutes';
+import linkRouter from './routes/linkRoutes';
+import { getCorsConfig } from './tools/cors';
+import { LinkService } from './services/linkService';
+import * as env from './tools/env';
+import * as z from 'zod';

-const app = express();
+AppDataSource.initialize().then(async () => {

-const swaggerJsdocOpts = {
-	failOnErrors: true,
-	definition: {
-		openapi: '3.0.0',
-		info: {
-			title: 'kittyurl',
-			version: '0.0.1'
+	await AppDataSource.runMigrations();
+
+	const app: express.Express = express();
+	const linkService = new LinkService();
+	const rs = env.getRewriteStrings();
+
+	const removedExpired = await linkService.removeAllExpired();
+	if (removedExpired !== 0) console.log(`[${Date.now() / 1_000}] (DB) Removed ${removedExpired} expired links.`);
+
+	app.use(express.json());
+	app.use(getCorsConfig());
+	app.use(inferUser);
+	app.use(miscRouter, userRouter, linkRouter);
+
+	if (env.getBool('debug', true)) {
+		const swaggerJsdocOpts = {
+			failOnErrors: true,
+			definition: {
+				openapi: '3.0.4',
+				info: {
+					title: 'kittyurl API',
+					description: 'A Typescript API for the kittyurl url shortener project.',
+					version: version,
+					contact: {
+						name: 'Git repository for entire project',
+						url: 'https://gitea.7o7.cx/kittyteam/kittyurl'
+					},
+					license: {
+						name: 'AGPLv3',
+						url: 'https://www.gnu.org/licenses/agpl-3.0.en.html'
+					}
+				},
+				components: {
+					securitySchemes: {
+						BearerJWT: {
+							type: 'http',
+							scheme: 'bearer',
+							bearerFormat: 'JWT',
+							description: 'JWT Authorization header using the Bearer scheme.<br/>Enter your JWT from /api/v1/user/signIn to authorize.'
+						}
+					}
+				},
+				security: [
+					{ BearerJWT: [] }
+				],
+			},
+			apis: ['./src/routes/*.ts', './src/schemas/*.ts']
+		};
+		const swaggerUi = require('swagger-ui-express');
+		const swaggerJsdoc = require('swagger-jsdoc');
+		const swaggerSpec = swaggerJsdoc(swaggerJsdocOpts);
+		app.use('/kttydocs', swaggerUi.serve, swaggerUi.setup(swaggerSpec));
+		app.get('/kttydocs.json', (req: express.Request, res: express.Response) => {
+			res.setHeader('Content-Type', 'application/json');
+			res.send(swaggerSpec);
+		});
+	}
+
+	// Handle 404s
+	// https://stackoverflow.com/a/9802006
+	app.use(async function(req: express.Request, res: express.Response) {
+
+		// Check if host header seems right
+		try {
+			z.string()
+			 .includes(rs.fqdn)
+			 .parse(req.headers.host);
+		} catch {
+			return res.status(400)
+			   .json({
+					status: 'error',
+					error: 'Invalid host. Is your browser sending the host header?',
+					code: 'no_host'
+				});
 		}
-	},
-	apis: ['./src/routes/*.ts']
-};
-const swaggerUi = require('swagger-ui-express');
-const swaggerJsdoc = require('swagger-jsdoc');
-const swaggerSpec = swaggerJsdoc(swaggerJsdocOpts);
 		
-app.use(express.json());
-app.use(router);
-app.use('/swagger', swaggerUi.serve, swaggerUi.setup(swaggerSpec));
-app.listen(6567, () => console.log('(HTTP Server) Listening on port 6567.'));
+		// Retrieve url, subdomain from request.
+		let uri: string = req.url.slice(1); // discards / from /abc, /abc -> abc
+		let subdomain: string | null = req.headers.host!.replace(rs.fqdn, '') || null;

+		// Try to lookup the url in DB
+		const reversedLink: Link | null = await linkService.lookupUriWithExpiryValidation(uri, subdomain);
+
+		// Found something? 
+		if (reversedLink !== null) {
+			// Count this as a visit
+			reversedLink.visits += 1;
+			linkService.save(reversedLink);
+
+			// Redirect the user.
+			return res.redirect(302, reversedLink.fullUrl);
+		}
+
+		// Nothing found? Return the standard 404.
+		res.status(404);
+		if (req.accepts('json')) {
+			return res.json({
+				status: 'error',
+				error: 'Not found',
+				code: 'uri_not_found'
+			});
+		}
+
+		return res.type('txt')
+				  .send('Not found');
+	});
+
+	const errorHandler: express.ErrorRequestHandler = (err, req, res, next) => {
+		console.error(`[${Date.now() / 1_000}] (ErrorHandler) Server error! Error stack:`);
+		console.error(err?.stack);
+		return res.status(500)
+		   .json({
+		   		status: 'error',
+		   		error: 'Server error! Something broke',
+		   		code: 'generic_server_error'
+		   });
+	};
+	app.use(errorHandler);
+
+	app.listen(6567, () => console.log(`[${Date.now() / 1_000}] (HTTP Server) Listening on port 6567.`));
+
+}).catch(error => console.log(error))
--- a/src/controllers/authController.ts
+++ b/src/controllers/authController.ts
@@ -0,0 +1,230 @@
+import { Request, Response } from 'express';
+import { User } from '../entities/User';
+import * as ms from '../schemas/miscSchema';
+import * as as from '../schemas/authSchema';
+import { UserService } from '../services/userService';
+import { generateSha512 } from '../tools/hasher';
+import * as jwt from '../tools/jwt';
+
+/**
+ * `POST /api/v1/user/signIn`
+ *
+ * Handles requests for user logon
+ *
+ * @param      {Request}   req     The Express request
+ * @param      {Response}  res     The Express resource
+ */
+export async function loginUserHandler(
+	req: Request<{}, {}, as.LoginRequestDTO['body']>,
+	res: Response
+) {
+	const userService: UserService = new UserService();
+	const requestBody = req.body;
+
+	// Compare against what exists in the DB
+	let existingUser: User | null = await userService.findByCredentials({
+		name: requestBody.name
+	});
+
+	if (existingUser === null) {
+		// User not found? Return an error.
+		const error: ms.ErrorDTO = {
+			status: 'error',
+			error: 'User does not exist'
+		};
+		return res.status(404)
+				  .json(error);
+	}
+
+	// For the reasoning behind this, check the long 
+	// comment inside of createUserHandler(). 
+	// TL;DR: This is a fail-safe in case of 
+	// a server shutdown mid user creation.
+	if (existingUser.dirtyPasswordHashBit) {
+		existingUser.passwordHash = generateSha512(`${existingUser.id}:${existingUser.passwordHash}`);
+		existingUser.dirtyPasswordHashBit = false;
+		userService.save(existingUser);
+	}
+
+	// Compute salted SHA512
+	const passwordHashed: string = generateSha512(`${existingUser.id}:${requestBody.password}`);
+
+	if (passwordHashed !== existingUser.passwordHash) {
+		// User not found? Return an error.
+		const error: ms.ErrorDTO = {
+			status: 'error',
+			error: 'Username <-> password pair not found'
+		};
+		return res.status(404)
+				  .json(error);
+	}
+
+	// User found? Generate a JWT.
+	const token = jwt.signJwt(
+		{ sub: existingUser.id, role: existingUser.role },
+		'accessTokenPrivateKey',
+		{ expiresIn: requestBody.ttl ?? as.DEFAULT_TOKEN_LIFETIME }
+	);
+
+	// Respond with UserInfoDTO
+	const userResponse: as.UserInfoDTO = {
+		status: 'ok',
+		name: requestBody.name,
+		role: existingUser.role,
+		token: token,
+		ttl: requestBody.ttl ?? as.DEFAULT_TOKEN_LIFETIME
+	}
+	return res.status(200)
+			  .send(userResponse);
+}
+
+/**
+ * `POST /api/v1/user/signUp`
+ *
+ * Handles requests for user registration
+ *
+ * @param      {Request}   req     The Express request
+ * @param      {Response}  res     The Express resource
+ */
+export async function createUserHandler(
+	req: Request<{}, {}, as.LoginRequestDTO['body']>,
+	res: Response
+) {
+	// Ideally, there would be a registration DTO which would incorporate
+	// some sort of CAPTCHA or CSRF token.
+
+	const userService = new UserService();
+	const requestBody = req.body;
+
+	// Compare against what exists in the DB
+	let usersFound: number = await userService.countAll(); // CAN THIS BE REPLACED WITH userService.lastId()??????
+	let role: number = 0; // Let the default role be a standard user.
+
+	// No users found? Make the new (and only) user an Administrator.
+	if (usersFound == 0)
+		role = 1;
+	// Users found? The new user should NOT be an Administrator.
+	// Since role by default is 0 (non-admin), nothing needs to change.
+
+	// Check if user already exists. If yes, return an error.
+	let existingUserId: number = await userService.findIdByCredentials({
+		name: requestBody.name
+	});
+
+	if (existingUserId >= 0) {
+		const error: ms.ErrorDTO = {
+			status: 'error',
+			error: 'User already exists'
+		};
+		return res.status(403)
+				  .json(error);
+	}
+
+	// Otherwise we're free to add him/her.
+	let user: User = {
+		id: undefined,
+		name: requestBody.name,
+		passwordHash: requestBody.password,
+		dirtyPasswordHashBit: true,
+		role: role,
+		createdAt: Date.now(),
+		links: []
+	};
+	await userService.add(user);
+
+	// Note how we're setting the retrieved password as the password hash, 
+	// without hashing it first. This is because we don't know ahead of time 
+	// what id will the user have (which we could use to salt the password). 
+	// We also could hash the password with a user's name, 
+	// but then we would either need to deem username unchangeable, 
+	// or prompt the user for password once he/she wants to change his/her name. 
+	// Out of the three not ideal solutions, the first has been incorporated, 
+	// thus we add the user, then retrieve his/her id, to then salt user's 
+	// password with it later. This requires setting a "dirty bit" and storing 
+	// the password as received, so in a way in "plain text". Then recalculate 
+	// the password and remove the dirty bit here, or, in a miniscule case if 
+	// it so happens the server crashes or gets restarted while registering a user, 
+	// the password will be recalculated on login attempt if dirty bit is set.
+	// TODO: explore alternative options with queryRunner's transactions?
+
+	// Check if user added successfully.
+	// If so, recalculate the salted hash.
+	const insertedUser: User | null = await userService.findByCredentials({
+		name: requestBody.name
+	});
+
+	// Return an error if - for whatever reason - the user has not been added.
+	if (insertedUser === null) {
+		const error: ms.ErrorDTO = {
+			status: 'error',
+			error: 'Could not add a new user',
+			code: 'server_error'
+		}
+		return res.status(500)
+				  .json(error);
+	}
+
+	// Rewrite the user's password to use the salted hash
+	const passwordHashed: string = generateSha512(`${insertedUser.id}:${requestBody.password}`);
+	insertedUser.passwordHash = passwordHashed;
+	insertedUser.dirtyPasswordHashBit = false;
+	await userService.save(insertedUser);
+
+	// Generate a JWT.
+	const token = jwt.signJwt(
+		{ sub: insertedUser.id, role: role },
+		'accessTokenPrivateKey',
+		{ expiresIn: requestBody.ttl ?? as.DEFAULT_TOKEN_LIFETIME }
+	);
+
+	// Respond with UserInfoDTO
+	const userResponse: as.UserInfoDTO = {
+		status: 'ok',
+		name: requestBody.name,
+		role: role,
+		token: token,
+		ttl: requestBody.ttl ?? as.DEFAULT_TOKEN_LIFETIME
+	}
+	return res.status(201)
+			  .send(userResponse);
+}
+
+/**
+ * `GET /api/v1/user/account`
+ *
+ * Handles requests for user info retrieval
+ *
+ * @param      {Request}   req     The Express request
+ * @param      {Response}  res     The Express resource
+ */
+export async function getUserHandler(
+	req: Request,
+	res: Response
+) {
+
+	const userService = new UserService();
+	const user: jwt.JwtDecoded = res.locals.user.decoded;
+
+	// Get detailed data from DB
+	let existingUser: User | null = await userService.findById(user.sub);
+
+	if (existingUser === null) {
+		const error: ms.ErrorDTO = {
+			status: 'error',
+			error: 'User does not exist',
+			code: 'deleted_user'
+		};
+		return res.status(404)
+				  .json(error);
+	}
+
+	// Respond with ShortUserInfoDTO
+	const userResponse: as.ShortUserInfoDTO = {
+		status: 'ok',
+		id: existingUser.id!,
+		name: existingUser.name,
+		role: existingUser.role
+	}
+	return res.status(201)
+			  .send(userResponse);
+}
--- a/src/controllers/linkController.ts
+++ b/src/controllers/linkController.ts
@@ -0,0 +1,205 @@
+import { Request, Response } from 'express';
+import { Link } from '../entities/Link';
+import { User } from '../entities/User';
+import * as ms from '../schemas/miscSchema';
+import * as ls from '../schemas/linkSchema';
+import { LinkService, IdResponse } from '../services/linkService';
+import { UserService } from '../services/userService';
+import * as env from '../tools/env';
+import * as jwt from '../tools/jwt';
+import { generateSentenceString, generateShortString } from '../tools/wordlist';
+
+/**
+ * `GET /api/v1/link/short`
+ *
+ * Handles requests for short link generation
+ *
+ * @param      {Request}   req     The Express request
+ * @param      {Response}  res     The Express resource
+ */
+export async function generateShortLinkHandler(
+	req: Request<{}, {}, {}, ls.ShortLinkRequestDTO['query']>,
+	res: Response
+) {
+
+	// Using locals here, as Request stores all parsed data
+	// in strings for queries (QueryString.ParsedQs).
+	const val = res.locals.validated as ls.ShortLinkRequestDTO;
+
+	let generatedShortString: string = generateShortString(
+		val.query[  'length'] ?? 9,
+		val.query['alphanum'] ?? true,
+		val.query[    'case'] ?? null
+	);
+	let generatedSubdomain: string | null = null;
+
+	if (val.query['withSubdomain'] === true && env.getString('useSubdomains', true) === 'true')
+		generatedSubdomain = generateSentenceString('[subdomain]');
+
+	const userResponse: ls.LinkResponseDTO = {
+		status: 'ok',
+		uri: generatedShortString,
+		subdomain: generatedSubdomain
+	};
+
+	return res.status(200)
+			  .send(userResponse);
+}
+
+/**
+ * `GET /api/v1/link/fromWordlist`
+ *
+ * Handles requests for pseudo-sentence link generation
+ *
+ * @param      {Request}   req     The Express request
+ * @param      {Response}  res     The Express resource
+ */
+export async function generateSentenceLinkHandler(
+	req: Request<{}, {}, {}, ls.SentenceLinkRequestDTO['query']>,
+	res: Response
+) {
+
+	// Using locals here, as Request stores all parsed data
+	// in strings for queries (QueryString.ParsedQs).
+	const val = res.locals.validated as ls.SentenceLinkRequestDTO;
+
+	let generatedSentenceString: string = generateSentenceString();
+	let generatedSubdomain: string | null = null;
+
+	if (val.query['withSubdomain'] === true && env.getString('useSubdomains', true) === 'true')
+		generatedSubdomain = generateSentenceString('[subdomain]');
+
+	const userResponse: ls.LinkResponseDTO = {
+		status: 'ok',
+		uri: generatedSentenceString,
+		subdomain: generatedSubdomain
+	};
+
+	return res.status(200)
+			  .send(userResponse);
+}
+
+
+/**
+ * `POST /api/v1/link/new`
+ *
+ * Handles requests for submitting a new shortened URL
+ *
+ * @param      {Request}   req     The Express request
+ * @param      {Response}  res     The Express resource
+ */
+export async function createLinkHandler(
+	req: Request<{}, {}, ls.CreateLinkRequestDTO['body']>,
+	res: Response
+) {
+
+	// Using locals to retrieve decoded user JWT.
+	const decodedUser: jwt.JwtDecoded | undefined = res.locals.user?.decoded;
+	const linkService = new LinkService();
+	const subdomainsAllowed: boolean = env.getBool('useSubdomains', true)!;
+	const rewriteStrings: env.RewriteStrings = env.getRewriteStrings();
+
+	// Sanity check: does the uri start with a forbidden schema?
+	const disallowedResult = ms.disallowedUriSchema.safeParse(req.body.uri);
+
+	// Uri is part of forbidden schema
+	if (disallowedResult.success) {
+		const error: ms.ErrorDTO = {
+			status: 'error',
+			error: 'This uri starts with a forbidden keyword',
+			code: 'forbidden_schema'
+		}
+		return res.status(406)
+				  .send(error);
+	}
+
+	let user: User | null = null;
+	if (decodedUser !== undefined) {
+		// If user is logged in, retrieve the account.
+		const userService = new UserService();
+		user = await userService.findById(decodedUser.sub);
+	}
+
+	let generatedSubdomain: string | null = null;
+	// Subdomain passed, but isn't supported? Return an error.
+	if (req.body.subdomain !== undefined && !subdomainsAllowed) {
+		const error: ms.ErrorDTO = {
+			status: 'error',
+			error: 'Server configuration disallows usage of subdomain',
+			code: 'server_subdomain_disabled'
+		};
+		return res.status(400)
+				  .send(error);
+	}
+	// Subdomain passed, and server config allows it? Then use it.
+	else if (req.body.subdomain !== undefined && subdomainsAllowed)
+		generatedSubdomain = req.body.subdomain;
+
+	// Similarly, check if expiry date has been passed.
+	let expiryDate: number | null = null;
+	if (req.body.expiryDate !== undefined)
+		expiryDate = req.body.expiryDate;
+
+	// Construct the link
+	const createDate = Date.now();
+	const link: Link = {
+		id: 0, // Can we? Seems like so.
+		subdomain: generatedSubdomain,
+		shortUri: req.body.uri,
+		fullUrl: req.body.remoteUrl,
+		createDate,
+		expiryDate,
+		visits: 0,
+		privacy: req.body.privacy ?? true,
+		author: user
+	};
+
+	// Try to add the row
+	let returnedId: IdResponse | null = null;
+	if (user === null) {
+		// Add anonymously
+		returnedId = await linkService.addIfNewAnonymous(link);
+	} else {
+		// Use a transaction to add the link,
+		// and link it to the user.
+		returnedId = await linkService.addIfNew(link, user);
+	}
+
+	// Failed (short uri + if enabled, subdomain combo is taken)?
+	if (returnedId.exists && returnedId.id == -1) {
+		console.log(returnedId);
+		const error: ms.ErrorDTO = {
+			status: 'error',
+			error: `"${req.body.uri}" is already taken. Maybe try "${generateSentenceString()}"?`,
+			code: 'uri_not_unique'
+		};
+		return res.status(403)
+				  .send(error);
+	}
+
+	// Some other, unknown error occurred.
+	if (returnedId.id < 0) {
+		console.log(returnedId);
+		const error: ms.ErrorDTO = {
+			status: 'error',
+			error: 'Server error',
+			code: 'generic_error'
+		};
+		return res.status(500)
+				  .send(error);
+	}
+
+	// If we've arrived this far, seems like it's safe
+	// to assume everything went OK.
+	const rs = rewriteStrings;
+	const sd = req.body.subdomain;
+	const shortenedUrl = `${rs.proto}://${sd ? sd + '.' : ''}${rs.fqdn}${rs.path}${req.body.uri}`;
+	const userResponse: ls.CreateLinkResponseDTO = {
+		status: 'ok',
+		uri: shortenedUrl,
+		id: returnedId.id
+	};
+
+	return res.status(200)
+			  .send(userResponse);
+}
--- a/src/data-source.ts
+++ b/src/data-source.ts
@@ -1,12 +1,12 @@
-import "reflect-metadata"
-import { DataSource } from "typeorm"
+import "reflect-metadata";
+import { DataSource } from "typeorm";
 import * as dotenv from "dotenv";
-dotenv.config();
+dotenv.config({ quiet: true });

 export const AppDataSource = new DataSource({
 	type: "postgres",
 	host: process.env.PG_HOST ?? "localhost",
-	port: parseInt(process.env.PG_PORT, 10) || 5432,
+	port: parseInt(process.env.PG_PORT!, 10) || 5432,
 	username: process.env.PG_USER ?? "kitty",
 	password: process.env.PG_PASS ?? "CHANGEME", // Please change your password inside of the .env file!
 	database: process.env.PG_DB ?? "kittyurl",
--- a/src/entities/Link.ts
+++ b/src/entities/Link.ts
@@ -1,31 +1,49 @@
-import { Entity, PrimaryGeneratedColumn, Column, ManyToOne, JoinTable } from "typeorm"
-import { User } from "./User"
+import { Entity, PrimaryGeneratedColumn, Column, ManyToOne, JoinTable } from 'typeorm'
+import { User } from './User'

@Entity("links")
 export class Link {

+	// Unique link id.
 	@PrimaryGeneratedColumn()
-	id: number
+	id: number;

-	@Column({ nullable: true })
-	subdomain: string | null
+	// Experimental: subdomain which should be a part of the short url.
+	// For instance in the URL "abc.example.com/def", abc is the subdomain.
+	// "def.example.com/def" won't resolve to the URL that "abc.example.com/def" does.
+	// https://stackoverflow.com/a/67535817
+	@Column({ type: 'varchar', nullable: true })
+	subdomain: string | null;

+	// Shortened Uri.
 	@Column()
-	shortUri: string
+	shortUri: string;

+	// URL to which the user should be redirected
 	@Column()
-	fullUrl: string
-
-	@Column()
-	role: string
+	fullUrl: string;

+	// Unix timestamp of link creation date.
 	@Column('bigint')
-	createDate: number
+	createDate: number;

+	// Unix timestamp of when the link should expire.
+	// If null, the link will never expire unless deleted.
+	@Column('bigint', { nullable: true })
+	expiryDate: number | null;
+
+	// Aggregated amount of visits.
 	@Column('bigint')
-	expiryDate: number
+	visits: number;

+	// Link privacy:
+	// - true, if link is private
+	// - false, if link can be shown in a list of recent links publicly.
+	@Column()
+	privacy: boolean;
+
+	// User to which the shortened URL belongs.
 	@ManyToOne(() => User, (user) => user.links, { nullable: true })
 	@JoinTable()
-	author: User | null
+	author: User | null;
 }
--- a/src/entities/User.ts
+++ b/src/entities/User.ts
@@ -1,24 +1,37 @@
-import { Entity, PrimaryGeneratedColumn, Column, OneToMany } from "typeorm"
-import { Link } from "./Link"
+import { Entity, PrimaryGeneratedColumn, Column, OneToMany } from 'typeorm'
+import { Link } from './Link'

@Entity("users")
 export class User {

+	// Unique user id.
 	@PrimaryGeneratedColumn()
-	id: number
+	id: number | undefined; // Is this a good idea?

+	// User name, must be unique.
 	@Column({ unique: true })
-	name: string
+	name: string;

+	// Salted password hash.
 	@Column()
-	passwordHash: string
+	passwordHash: string;

+	// Used to tell, whether password hash should
+	// be recalculated (salted) on next login.
 	@Column()
-	role: string
+	dirtyPasswordHashBit: boolean;

+	// User role:
+	// - 0 - means unprivileged user,
+	// - 1 - means administrative user.
+	@Column()
+	role: number;
+
+	// Account creation date as a Unix timestamp.
 	@Column('bigint')
-	createdAt: number
+	createdAt: number;

+	// List of shortened URLs which belong to the user.
 	@OneToMany(() => Link, (link) => link.author)
 	links: Link[];
 }
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,25 +0,0 @@
-import { AppDataSource } from "./data-source"
-import { User } from "./entities/User"
-import { smokeTest } from "./smoke-test";
-
-AppDataSource.initialize().then(async () => {
-
-	// console.log("Inserting a new user into the database...");
-	// const user = new User();
-	// // user.firstName = "Timber";
-	// // user.lastName = "Saw";
-	// // user.age = 25;
-	// await AppDataSource.manager.save(user);
-	// console.log("Saved a new user with id: " + user.id);
-
-	// console.log("Loading users from the database...");
-	// const users = await AppDataSource.manager.find(User);
-	// console.log("Loaded users: ", users);
-
-	// console.log("Here you can setup and run express / fastify / any other framework.");
-
-	await AppDataSource.runMigrations();
-
-	await smokeTest(AppDataSource);
-
-}).catch(error => console.log(error))
--- a/src/middleware/inferUser.ts
+++ b/src/middleware/inferUser.ts
@@ -0,0 +1,47 @@
+// Heavily based on:
+// https://github.com/TomDoesTech/REST-API-Tutorial-Updated/blob/7b5f040e1acd94d267df585516b33ee7e3b75f70/src/middleware/deserializeUser.ts
+import { get } from 'lodash';
+import { Request, Response, NextFunction } from 'express';
+import * as jwt from '../tools/jwt';
+
+const inferUser = async (
+	req: Request,
+	res: Response,
+	next: NextFunction
+) => {
+
+	const accessToken = get(req, 'headers.authorization', '').replace(
+		/^Bearer\s/,
+		''
+	);
+
+	if (!accessToken) return next();
+
+	const token = jwt.verifyJwt(accessToken, 'accessTokenPrivateKey');
+	if (token) {
+		res.locals.user = token;
+		return next();
+	}
+
+	/*
+	// refresh token handling is not (yet) implemented
+	const refreshToken = get(req, 'headers.x-refresh');
+
+	if (expired && refreshToken) {
+		const newAccessToken = await reIssueAccessToken({ refreshToken });
+
+		if (newAccessToken) {
+			res.setHeader('x-access-token', newAccessToken);
+		}
+
+		const result = verifyJwt(newAccessToken as string, 'accessTokenPublicKey');
+
+		res.locals.user = result.decoded;
+		return next();
+	}
+	*/
+
+	return next();
+};
+
+export default inferUser;
--- a/src/middleware/requireUser.ts
+++ b/src/middleware/requireUser.ts
@@ -0,0 +1,41 @@
+import { Request, Response, NextFunction } from "express";
+import { ErrorDTO } from "../schemas/miscSchema";
+import * as jwt from "../tools/jwt";
+
+const requireUser = (req: Request, res: Response, next: NextFunction) => {
+	const user: jwt.JwtStatus = res.locals.user;
+	let error: ErrorDTO | null = null;
+
+	// No user? Something errored partway. Display an error.
+	if (!user)
+		error = {
+			status: 'error',
+			error: 'Unauthorized, please sign in',
+			code: 'unauthorized_generic'
+		};
+	// Check if token is expired first.
+	// This is because a token can be valid 
+	// (if signature matches) while being expired.
+	else if (user.expired)
+		error = {
+			status: 'error',
+			error: 'Token expired, please sign in again',
+			code: 'expired_token'
+		};
+	// Previous checks failed?
+	// As a last resort, check if the token is valid.
+	else if (!user.valid)
+		error = {
+			status: 'error',
+			error: 'Invalid token, please sign in',
+			code: 'invalid_token'
+		};
+
+	if (error !== null)
+		return res.status(401)
+				  .send(error);
+
+	return next();
+};
+
+export default requireUser;
--- a/src/migrations/1767018509215-initialMigration.ts
+++ b/src/migrations/1767018509215-initialMigration.ts
@@ -1,7 +1,7 @@
 import { MigrationInterface, QueryRunner } from "typeorm";

-export class InitialMigration1764549652720 implements MigrationInterface {
-    name = 'InitialMigration1764549652720'
+export class InitialMigration1767018509215 implements MigrationInterface {
+    name = 'InitialMigration1767018509215'

    public async up(queryRunner: QueryRunner): Promise<void> {
        await queryRunner.query(`
@@ -10,9 +10,10 @@ export class InitialMigration1764549652720 implements MigrationInterface {
                "subdomain" character varying,
                "shortUri" character varying NOT NULL,
                "fullUrl" character varying NOT NULL,
-                "role" character varying NOT NULL,
                "createDate" bigint NOT NULL,
-                "expiryDate" bigint NOT NULL,
+                "expiryDate" bigint,
+                "visits" bigint NOT NULL,
+                "privacy" boolean NOT NULL,
                "authorId" integer,
                CONSTRAINT "PK_ecf17f4a741d3c5ba0b4c5ab4b6" PRIMARY KEY ("id")
            )
@@ -22,7 +23,8 @@ export class InitialMigration1764549652720 implements MigrationInterface {
                "id" SERIAL NOT NULL,
                "name" character varying NOT NULL,
                "passwordHash" character varying NOT NULL,
-                "role" character varying NOT NULL,
+                "dirtyPasswordHashBit" boolean NOT NULL,
+                "role" integer NOT NULL,
                "createdAt" bigint NOT NULL,
                CONSTRAINT "UQ_51b8b26ac168fbe7d6f5653e6cf" UNIQUE ("name"),
                CONSTRAINT "PK_a3ffb1c0c8416b9fc6f907b7433" PRIMARY KEY ("id")
--- a/src/routes/index.ts
+++ b/src/routes/index.ts
@@ -1,20 +0,0 @@
-import { Router } from 'express';
-
-const router = Router();
-
-/**
- * @swagger
- *
- * /:
- *   get:
- *     description: Hello world!
- *     tags: [Default]
- *     responses:
- *       200:
- *         description: Returns "Hello world!"
- */
-router.get('/', (req, res) => {
-	res.send("Hello world!");
-});
-
-export default router;
--- a/src/routes/linkRoutes.ts
+++ b/src/routes/linkRoutes.ts
@@ -0,0 +1,138 @@
+import { Router } from 'express';
+import validateSchema from '../tools/validateSchema';
+import * as lc from '../controllers/linkController';
+import * as ls from '../schemas/linkSchema';
+import requireUser from '../middleware/requireUser';
+
+const linkRouter = Router();
+
+/**
+ * @openapi
+ *
+ * /api/v1/link/short:
+ *   get:
+ *     description: Generates a new short link
+ *     tags: [Link]
+ *     summary: Get a new short link
+ *     parameters:
+ *       - name: length
+ *         in: query
+ *         description: generated URL's length
+ *         required: false
+ *         schema:
+ *           type: integer
+ *           format: int32
+ *           default: 9
+ *           minimum: 2
+ *           maximum: 127
+ *       - name: alphanum
+ *         in: query
+ *         description: whether to use numbers in generated URL
+ *         required: false
+ *         schema:
+ *           type: boolean
+ *           default: true
+ *       - name: case
+ *         in: query
+ *         description: whether to use uppercase ("upper"), lowercase ("lower") or mixed case (default)
+ *         schema:
+ *           type: string
+ *       - name: withSubdomain
+ *         in: query
+ *         description: whether to generate a subdomain too (will be generated only if supported by server)
+ *         required: false
+ *         schema:
+ *           type: boolean
+ *           default: false
+ *     produces:
+ *       - application/json
+ *     responses:
+ *       200:
+ *         description: Link generated successfully
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/LinkResponseDTO'
+ *       400:
+ *         description: Bad request
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/ErrorDTO'
+ */
+linkRouter.get('/api/v1/link/short', validateSchema(ls.shortLinkRequestSchema), lc.generateShortLinkHandler);
+
+
+/**
+ * @openapi
+ *
+ * /api/v1/link/fromWordlist:
+ *   get:
+ *     description: Generates a new pseudosentence link from wordlist.
+ *     tags: [Link]
+ *     summary: Get a new "sentence" link
+ *     parameters:
+ *       - name: withSubdomain
+ *         in: query
+ *         description: whether to generate a subdomain too (will be generated only if supported by server)
+ *         required: false
+ *         schema:
+ *           type: boolean
+ *           default: false
+ *     produces:
+ *       - application/json
+ *     responses:
+ *       200:
+ *         description: Link generated successfully
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/LinkResponseDTO'
+ *       400:
+ *         description: Bad request
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/ErrorDTO'
+ */
+linkRouter.get('/api/v1/link/fromWordlist', validateSchema(ls.sentenceLinkRequestSchema), lc.generateSentenceLinkHandler);
+
+/**
+ * @openapi
+ *
+ * /api/v1/link/new:
+ *   post:
+ *     description:
+ *       Register a new shortened URL. <br/>
+ *       See linkSchema.ts for constraints.
+ *     tags: [Link]
+ *     summary: Shorten a link
+ *     requestBody:
+ *       required: true
+ *       content:
+ *         application/json:
+ *           schema:
+ *             $ref: '#/components/schemas/CreateLinkRequestDTO'
+ *     produces:
+ *       - application/json
+ *     responses:
+ *       200:
+ *         description: New link created successfully
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/CreateLinkResponseDTO'
+ *       400:
+ *         description: Bad request
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/ErrorDTO'
+ */
+linkRouter.post('/api/v1/link/new',
+	validateSchema(ls.createLinkRequestSchema),
+	lc.createLinkHandler
+);
+
+
+export default linkRouter;
--- a/src/routes/miscRoutes.ts
+++ b/src/routes/miscRoutes.ts
@@ -0,0 +1,31 @@
+import { Router, Request, Response } from 'express';
+
+const miscRouter = Router();
+
+/**
+ * @openapi
+ *
+ * /:
+ *   get:
+ *     description: Hello world!
+ *     tags: [Default]
+ *     responses:
+ *       200:
+ *         description: Returns "Hello world!"
+ */
+miscRouter.get('/', (req: Request, res: Response) => res.send("Hello world!"));
+
+/**
+ * @openapi
+ * /healthcheck:
+ *   get:
+ *     tags: [Healthcheck]
+ *     description: Provides a response when backend is running
+ *     summary: Check if backend is running
+ *     responses:
+ *       200:
+ *         description: Backend is online
+ */
+miscRouter.get('/healthcheck', (req: Request, res: Response) => res.sendStatus(200));
+
+export default miscRouter;
--- a/src/routes/userRoutes.ts
+++ b/src/routes/userRoutes.ts
@@ -0,0 +1,102 @@
+import { Router } from 'express';
+import validateSchema from '../tools/validateSchema';
+import * as ac from '../controllers/authController';
+import * as as from '../schemas/authSchema';
+import requireUser from '../middleware/requireUser';
+
+const userRouter = Router();
+
+/**
+ * @openapi
+ *
+ * /api/v1/user/signUp:
+ *   post:
+ *     description: Add user
+ *     tags: [User]
+ *     summary: Register a user
+ *     requestBody:
+ *       required: true
+ *       content:
+ *         application/json:
+ *           schema:
+ *             $ref: '#/components/schemas/LoginRequestDTO'
+ *     produces:
+ *       - application/json
+ *     responses:
+ *       200:
+ *         description: User created successfully
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/UserInfoDTO'
+ *       400:
+ *         description: Bad request
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/ErrorDTO'
+ */
+userRouter.post('/api/v1/user/signUp', validateSchema(as.loginRequestSchema), ac.createUserHandler);
+
+/**
+ * @openapi
+ *
+ * /api/v1/user/signIn:
+ *   post:
+ *     description: Log in
+ *     tags: [User]
+ *     summary: Log in to an account
+ *     requestBody:
+ *       required: true
+ *       content:
+ *         application/json:
+ *           schema:
+ *             $ref: '#/components/schemas/LoginRequestDTO'
+ *     produces:
+ *       - application/json
+ *     responses:
+ *       200:
+ *         description: User logged in successfully
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/UserInfoDTO'
+ *       400:
+ *         description: Wrong password/non-existent user
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/ErrorDTO'
+ */
+userRouter.post('/api/v1/user/signIn', validateSchema(as.loginRequestSchema), ac.loginUserHandler);
+
+/**
+ * @openapi
+ *
+ * /api/v1/user/account:
+ *   get:
+ *     description: Get authenticated user info
+ *     tags: [User]
+ *     summary: "[AUTHED] Get user info"
+ *     produces:
+ *       - application/json
+ *     responses:
+ *       200:
+ *         description: User logged in successfully
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/ShortUserInfoDTO'
+ *       400:
+ *         description: Wrong password/non-existent user
+ *         content:
+ *           application/json:
+ *             schema:
+ *               $ref: '#/components/schemas/ErrorDTO'
+ */
+userRouter.get('/api/v1/user/account',
+	requireUser,
+	ac.getUserHandler
+);
+
+export default userRouter;
--- a/src/schemas/authSchema.ts
+++ b/src/schemas/authSchema.ts
@@ -0,0 +1,112 @@
+import z from 'zod';
+
+// Maybe load this from .env? 24 hours in seconds.
+export const DEFAULT_TOKEN_LIFETIME = 86_400;
+
+/**
+ * @openapi
+ * components:
+ *   schemas:
+ *     LoginRequestDTO:
+ *       type: object
+ *       required:
+ *         - name
+ *         - password
+ *       properties:
+ *         name:
+ *           type: string
+ *           default: mail@example.com or username
+ *         password:
+ *           type: string
+ *           default: sha512(Hunter2)
+ *         ttl:
+ *           type: number
+ *           default: 86400 # 24 hours * 60 minutes * 60 seconds
+ */
+const loginRequestSchemaBody = z.object({
+	name: z.string({
+		error: (e) => e.input === undefined ? 'Name is required' : 'Name must be a string'
+	})
+		.min( 3, 'Name is too short (try something longer than 3 characters)')
+		.max(64, 'Name is too long (try something shorter than 64 characters)'),
+	password: z.hash('sha512', {
+		error: (e) => e.input === undefined ? 'Password is required' : 'Password must be a SHA512 hash'
+	}),
+	ttl: z.number('TTL must be a number between 120 and 2 592 000 seconds')
+		.min(      120, 'TTL is too short (try something longer than 120 seconds)') // 120s
+		.max(2_592_000, 'TTL is too long (try something shorter than 30 days)')      //  30d
+		.optional()
+});
+// export type LoginRequestBodyDTO = z.TypeOf<typeof loginRequestSchemaBody>;
+
+export const loginRequestSchema = z.object({
+	body: loginRequestSchemaBody
+});
+export type LoginRequestDTO = z.TypeOf<typeof loginRequestSchema>;
+
+/**
+ * @swagger
+ * components:
+ *   schemas:
+ *     UserInfoDTO:
+ *       type: object
+ *       required:
+ *         - status
+ *         - name
+ *         - role
+ *         - token
+ *       properties:
+ *         status:
+ *           type: string
+ *           default: ok on success, otherwise ErrorDTO with error
+ *         name:
+ *           type: string
+ *           default: username
+ *         role:
+ *           type: number
+ *           default: 0 # 0 - standard user, 1 - administrator
+ *         token:
+ *           type: string
+ *           default: JWT
+ *         ttl:
+ *           type: number
+ *           default: 86400 # 24 hours * 60 minutes * 60 seconds
+ */
+export type UserInfoDTO = {
+	status: 'ok';
+	name: string;
+	role: number;
+	token: string;
+	ttl: number | null;
+};
+
+/**
+ * @swagger
+ * components:
+ *   schemas:
+ *     ShortUserInfoDTO:
+ *       type: object
+ *       required:
+ *         - status
+ *         - id
+ *         - name
+ *         - role
+ *       properties:
+ *         status:
+ *           type: string
+ *           default: ok on success, otherwise ErrorDTO with error
+ *         id:
+ *           type: number
+ *         name:
+ *           type: string
+ *           default: username
+ *         role:
+ *           type: number
+ *           default: 0 # 0 - standard user, 1 - administrator
+ */
+export type ShortUserInfoDTO = {
+	status: 'ok';
+	id: number;
+	name: string;
+	role: number;
+};
--- a/src/schemas/linkSchema.ts
+++ b/src/schemas/linkSchema.ts
@@ -0,0 +1,145 @@
+import z from 'zod';
+
+// GET /api/v1/link/short
+const shortLinkRequestSchemaQuery = z.object({
+	// https://zod.dev/v4?id=stringbool
+	length: z.coerce
+			 .number('Length must be a number')
+			 .min(  3, 'Length is too small (try something longer than 3)')
+			 .max(128, 'Length is too long (try something shorter than 128)')
+			 .optional(),
+	alphanum: z.stringbool('Alphanum must be a boolean')
+			   .optional(),
+	case: z.enum(['lower', 'upper'])
+		   .optional(),
+	withSubdomain: z.stringbool('WithSubdomain must be a boolean')
+					.optional()
+});
+
+export const shortLinkRequestSchema = z.object({
+	query: shortLinkRequestSchemaQuery
+});
+export type ShortLinkRequestDTO = z.TypeOf<typeof shortLinkRequestSchema>;
+
+// GET /api/v1/link/fromWordlist
+const sentenceLinkRequestSchemaQuery = z.object({
+	// https://zod.dev/v4?id=stringbool
+	withSubdomain: z.stringbool('WithSubdomain must be a boolean')
+					.optional()
+});
+
+export const sentenceLinkRequestSchema = z.object({
+	query: sentenceLinkRequestSchemaQuery
+});
+export type SentenceLinkRequestDTO = z.TypeOf<typeof sentenceLinkRequestSchema>;
+
+// response for both /api/v1/link/short and /api/v1/link/fromWordlist
+
+/**
+ * @swagger
+ * components:
+ *   schemas:
+ *     LinkResponseDTO:
+ *       type: object
+ *       required:
+ *         - status
+ *         - uri
+ *         - subdomain
+ *       properties:
+ *         status:
+ *           type: string
+ *           default: ok on success, otherwise ErrorDTO with error
+ *         uri:
+ *           type: string
+ *           default: generated uri
+ *         subdomain:
+ *           type: string
+ *           default: subdomain or null
+ */
+export type LinkResponseDTO = {
+	status: 'ok';
+	uri: string;
+	subdomain?: string | null; // null when server does not support generating subdomains
+};
+
+
+// POST /api/v1/link/short
+/**
+ * @openapi
+ * components:
+ *   schemas:
+ *     CreateLinkRequestDTO:
+ *       type: object
+ *       required:
+ *         - uri
+ *         - remoteUrl
+ *       properties:
+ *         uri:
+ *           type: string
+ *           default: short uri
+ *         remoteUrl:
+ *           type: string
+ *           default: source url
+ *         subdomain:
+ *           type: string
+ *           default: optional subdomain
+ *         privacy:
+ *           type: boolean
+ *           default: true # privacy by default
+ *         expiryDate:
+ *           type: number
+ *           default: 1767413102824 # UNIX timestamp in ms, Date.now()
+ */
+const createLinkRequestSchemaBody = z.object({
+	uri: z.string({
+		error: (e) => 
+			e.input === undefined ? 'Uri is required' : '/, ?, &, = and & are not allowed'
+	}).min(  3, 'Shortened Uri must be at least 3 characters long')
+	  .max(128, 'Shortened Uri cannot be longer than 128 characters')
+	  .regex(/^[^\/?&=#]*$/),
+	remoteUrl: z.url({
+		error: (e) => 
+			e.input === undefined ? 'RemoteUrl is required' : 'RemoteUrl is not a valid URL'
+	}),
+	privacy: z.boolean({ error: 'Privacy must be a boolean (true by default)' })
+			  .optional(),
+	subdomain: z.string('Subdomain must be a string of length between 1 and 32')
+				.min( 1, 'Subdomain should be at least 1 character long')
+				.max(32, 'Subdomain should not be longer than 32 characters')
+				.regex(/^[a-zA-Z0-9]*$/)
+				.optional(),
+	expiryDate: z.number('Expiry date must be a number (UNIX timestamp with milliseconds)')
+				 .min(Date.now(), 'Expiry date is a UNIX timestamp with milliseconds')
+				 .optional()
+});
+
+export const createLinkRequestSchema = z.object({
+	body: createLinkRequestSchemaBody
+});
+export type CreateLinkRequestDTO = z.TypeOf<typeof createLinkRequestSchema>;
+
+/**
+ * @swagger
+ * components:
+ *   schemas:
+ *     CreateLinkResponseDTO:
+ *       type: object
+ *       required:
+ *         - status
+ *         - uri
+ *         - subdomain
+ *       properties:
+ *         status:
+ *           type: string
+ *           default: ok on success, otherwise ErrorDTO with error
+ *         uri:
+ *           type: string
+ *           default: full public, shortened url
+ *         id:
+ *           type: number
+ */
+export type CreateLinkResponseDTO = {
+	status: 'ok';
+	uri: string;
+	id: number;
+};
--- a/src/schemas/miscSchema.ts
+++ b/src/schemas/miscSchema.ts
@@ -0,0 +1,32 @@
+import * as z from 'zod';
+
+/**
+ * @openapi
+ * components:
+ *   schemas:
+ *     ErrorDTO:
+ *       type: object
+ *       required:
+ *         - status
+ *         - error
+ *       properties:
+ *         status:
+ *           type: string
+ *           default: error
+ *         error:
+ *           type: string
+ *           default: error message
+ *         code:
+ *           type: string
+ *           default: error code (may not be returned for every request)
+ */
+export type ErrorDTO = {
+	status: 'error';
+	error: string;
+	code?: string | undefined;
+};
+
+// Used to check against reserved names.
+export const disallowedUriSchema = z
+	.string()
+	.regex(/^(about|assets|kttydocs|panel)/);
--- a/src/services/linkService.ts
+++ b/src/services/linkService.ts
@@ -0,0 +1,224 @@
+import { Link } from '../entities/Link';
+import { User } from '../entities/User';
+import { AppDataSource } from '../data-source';
+import * as env from '../tools/env';
+import { IsNull, LessThan } from 'typeorm';
+
+export type IdResponse = {
+	id: number;
+	exists: boolean;
+};
+
+export class LinkService {
+	dataSource = AppDataSource;
+	linkRepo = this.dataSource.getRepository(Link);
+
+	// Retrieve config to check whether subdomains are allowed
+	useSubdomains: boolean = env.getBool('useSubdomains', true)!;
+
+	/**
+	 * Simply insert a new link entity anonymously.
+	 *
+	 * @param      {Link}     link    The link to insert
+	 */
+	async addIfNewAnonymous(link: Link): Promise<IdResponse> {
+		let result: IdResponse = { id: -1, exists: true };
+
+		// Sanity check: don't allow for adding links
+		// with subdomains if server has it disabled.
+		if (link.subdomain && !this.useSubdomains) link.subdomain = null;
+
+		// Check if entry can be inserted.
+		if (await this.canInsert(link)) {
+			await this.linkRepo.insert(link);
+
+			// Then get new link's ID
+			const insertedLink: Link[] = await this.linkRepo.findBy({
+				// Add subdomain if used, https://stackoverflow.com/a/69151874
+				subdomain: link.subdomain ?? IsNull(),
+				shortUri: link.shortUri
+			});
+
+			// Return appropriate id (or error)
+			if (insertedLink.length === 1) {
+				result.id = insertedLink[0].id;
+				result.exists = false;
+			} else {
+				result.id = -2;
+				result.exists = true;
+			}
+		}
+
+		return result;
+	}
+
+	/**
+	 * Adds a new link entity, and links it with passed user.
+	 * 
+	 * USE ONLY FOR AUTHENTICATED USERS. For unauthenticated users
+	 * use addAnonymous() instead. Returns IdResponse, containing
+	 * exists field indicating if an existing field has been found,
+	 * and if so, what is it's id. If exists is false, ID of the
+	 * newly created entity gets returned.
+	 * 
+	 * Errors: an error ocurred if ID is negative.
+	 * 
+	 * This can be:
+	 * 
+	 * - -1 - link can't be inserted (because an entry with shortUri or shortUri+subdomain combo exist),
+	 * 
+	 * - -2 - no conflicting entry exists but transaction failed anyway.
+	 * 
+	 * @param      {Link}                 link    The link
+	 * @param      {User}                 user    The user
+	 * @return     {Promise<IdResponse>}  Dictionary containing link ID and whether it already existed, or was just inserted
+	 */
+	async addIfNew(link: Link, user: User): Promise<IdResponse> {
+
+		let result: IdResponse = { id: -1, exists: true };
+
+		// If no conflicts are found,
+		// proceed with creating a new link entry.
+		if (await this.canInsert(link)) {
+			// Commit a transaction
+			await this.dataSource.transaction(async (t) => {
+				link.author = user;
+				t.insert(Link, link);
+			});
+
+			// Then get new link's ID
+			const insertedLink: Link[] = await this.linkRepo.findBy({
+				subdomain: link.subdomain ?? IsNull(),
+				shortUri: link.shortUri
+			});
+
+			// Return appropriate id (or error)
+			if (insertedLink.length === 1) {
+				result.id = insertedLink[0].id;
+				result.exists = false;
+			} else {
+				result.id = -2;
+				result.exists = true;
+			}
+
+		}
+
+		return result;
+	}
+
+	async canInsert(link: Link): Promise<boolean> {
+		let shortUriExists: boolean = true
+
+		// If both subdomains are enabled, and user 
+		// provided a subdomain, find if a record exists 
+		// that either has the exact shortUri 
+		// or shortUri and subdomain combo.
+		// If any of these turns out to be true, the request 
+		// must be invalidated and we can't proceed 
+		// with creation of a new link.
+		if (this.useSubdomains && link.subdomain)
+		{
+			shortUriExists = await this.linkRepo.existsBy({
+				shortUri: link.shortUri,
+				subdomain: link.subdomain
+			});
+		}
+		// If custom subdomains are disabled, fallback to
+		// checking only by the URIs - thus discarding
+		// any possible subdomains.
+		else
+		{
+			shortUriExists = await this.linkRepo.existsBy({
+				shortUri: link.shortUri,
+				subdomain: IsNull()
+			});
+		}
+
+		return !shortUriExists;
+	}
+
+	/**
+	 * Removes all expired links.
+	 *
+	 * @return     {Promise<number>}  Amount of removed rows.
+	 */
+	async removeAllExpired(): Promise<number> {
+		// https://github.com/typeorm/typeorm/issues/960#issuecomment-489554674
+
+		let rowsRemoved = 0;
+		const currentDate = Date.now();
+
+		rowsRemoved = await this.linkRepo.countBy({ expiryDate: LessThan(currentDate) });
+		const affectedRows = await this.linkRepo.delete({ expiryDate: LessThan(currentDate) });
+
+		return rowsRemoved;
+	}
+
+	/**
+	 * Finds a Link by it's identifier.
+	 *
+	 * @param      {number}                id      The identifier
+	 * @return     {(Promise<Link|null>)}  Link (or null if not found)
+	 */
+	async findById(id: number): Promise<Link | null> {
+		return await this.linkRepo.findOneBy({id});
+	}
+
+	/**
+	 * Lookup the uri + subdomain combo.
+	 *
+	 * @param      {string}                uri               The uri
+	 * @param      {(null|string)}         [subdomain=null]  The subdomain
+	 * @return     {(Promise<Link|null>)}  Link entity containing provided params
+	 */
+	async lookupUri(uri: string, subdomain: string | null = null): Promise<Link | null> {
+		let result: Link | null = null;
+
+		result = await this.linkRepo.findOneBy({
+			shortUri: uri,
+			subdomain: subdomain ?? IsNull()
+		}) ?? null;
+
+		return result;
+	}
+
+	/**
+	 * Lookup the uri + subdomain combo.
+	 * AUTOMATICALLY REMOVES the entry if it expired.
+	 *
+	 * @param      {string}                uri               The uri
+	 * @param      {(null|string)}         [subdomain=null]  The subdomain
+	 * @return     {(Promise<Link|null>)}  Link entity containing provided params
+	 */
+	async lookupUriWithExpiryValidation(uri: string, subdomain: string | null = null): Promise<Link | null> {
+		let result: Link | null = null;
+
+		result = await this.linkRepo.findOneBy({
+			shortUri: uri,
+			subdomain: subdomain ?? IsNull()
+		}) ?? null;
+
+		const now = Date.now();
+		if (result !== null && result.expiryDate !== null)
+			if (now > (result.expiryDate ?? now + 1)) {
+				// Remove found entry
+				this.linkRepo.remove(result);
+				// Set to null to not propagate expired link
+				result = null;
+			}
+
+		return result;
+	}
+
+	/**
+	 * Save a link.
+	 * Saves all changes made to the link entity.
+	 *
+	 * @param      {Link}     link    The link
+	 * @return     {Promise}  None
+	 */
+	async save(link: Link) {
+		await this.linkRepo.save(link);
+	}
+
+}
--- a/src/services/userService.ts
+++ b/src/services/userService.ts
@@ -0,0 +1,123 @@
+import { User } from '../entities/User';
+import { AppDataSource } from '../data-source';
+
+export type UserCredentials = {
+	name?: string | undefined;
+	password?: string | undefined;
+}
+
+export class UserService {
+	dataSource = AppDataSource;
+	userRepo = this.dataSource.getRepository(User);
+
+	//
+	// 	Phased out in favor of in-controller logic.
+	//
+	// /**
+	//  * Register a new user. Checks if a user with provided name exists.
+	//  * Returns `true` if user has been registered successfully.
+	//  *
+	//  * @param      {string}            name      Username
+	//  * @param      {string}            password  User's password
+	//  * @param      {(null|number)}     role      User's role (0 | null = standard user, 1 = admin)
+	//  * @return     {Promise<boolean>}  True if an account has been registered successfully.
+	//  */
+	// async register(name: string, password: string, role: number | null): Promise<boolean> {
+	//
+	// 	// Check if user by this name already exists.
+	// 	// If so, return here to not create a new account.
+	// 	if (await this.userRepo.existsBy({ name: name }))
+	// 		return false;
+	//
+	// 	// TODO: insert "dirty" entity...
+	// 	// await this.userRepo.insert();
+	//
+	// 	// TODO: salt the password...
+	//
+	// 	return true;
+	// }
+
+	/**
+	 * Finds entity id by any credentials passed.
+	 * Returns user id (typically number > 0) on success,
+	 * -1 on no match, and -2 on multiple matches (if that were to ever occur).
+	 *
+	 * @param      {UserCredentials}  creds   The creds
+	 * @return     {Promise<number>}  User id
+	 */
+	async findIdByCredentials(creds: UserCredentials): Promise<number> {
+
+		let users: User[] = await this.userRepo.find({
+			where: { ...creds }
+		});
+
+		if (users.length === 0) return -1;                // no match
+		else if (users.length === 1) return users[0].id!; // exact match, return id
+		else return -2;                                   // sus, too many matches
+
+	}
+
+	/**
+	 * Finds the user entity by any credentials passed.
+	 * Returns user on success, otherwise null.
+	 *
+	 * @param      {UserCredentials}       creds   The creds
+	 * @return     {(Promise<User|null>)}  User entity
+	 */
+	async findByCredentials(creds: UserCredentials): Promise<User | null> {
+
+		let users: User[] = await this.userRepo.find({
+			where: { ...creds }
+		});
+
+		if (users.length !== 1) return null; // no match, or too many matches, sus
+		else return users[0];                // exact match, return user
+
+	}
+
+	/**
+	 * Finds a User by it's identifier.
+	 *
+	 * @param      {number}                id      The identifier
+	 * @return     {(Promise<User|null>)}  User (or null if not found)
+	 */
+	async findById(id: number): Promise<User | null> {
+		return await this.userRepo.findOneBy({id});
+	}
+
+	/**
+	 * Counts all the user entities in DB.
+	 * Used to tell whether the next created account should be an admin
+	 * (No users in DB? That means most likely it's a fresh instance. 
+	 * Then the next user should be an admin.)
+	 *
+	 * @return     {Promise<number>}  Number of user entities in DB (0...).
+	 */
+	async countAll(): Promise<number> {
+		return await this.userRepo.count();
+	}
+
+	/**
+	 * Simply insert a new user entity.
+	 *
+	 * @param      {User}     user    The user to insert
+	 */
+	async add(user: User): Promise<any> {
+		await this.userRepo.insert(user);
+	}
+
+	/**
+	 * Simply save user entity to DB.
+	 * New user passed? New entity will get created.
+	 * Existing entity passed? It'll get updated.
+	 *
+	 * @param      {User}     user    The user to insert or update
+	 */
+	async save(user: User) {
+		// assert(user.id !== undefined, new Error("Passed user MUST contain an id!"));
+		await this.userRepo.save(user);
+	}
+
+}
+
+// export default new UserService();
--- a/src/smoke-test.ts
+++ b/src/smoke-test.ts
@@ -1,13 +0,0 @@
-import { Connection } from "typeorm";
-import { User } from "./entities/User";
-
-export async function smokeTest(connection: Connection) {
-	const user = new User();
-
-	user.name = "admin";
-	user.role = "admin";
-	user.createdAt = Date.now();
-	user.passwordHash = "pretend this is a hash";
-	
-	await connection.manager.save(user);
-}
--- a/src/tools/cors.ts
+++ b/src/tools/cors.ts
@@ -0,0 +1,41 @@
+import * as env from './env';
+let cors = require('cors');
+
+/**
+ * Returns user-trusted origins from the .env file.
+ * Defaults to http://localhost:6568 if no user config is found.
+ *
+ * @return     {string[]}  A list of user-trusted origins.
+ */
+export function getTrustedOrigins(): string[] {
+	let trustedOrigins: string[] = ['http://localhost:6568'];
+	const configOriginsString: string | undefined = env.getString('trustedOrigins', true);
+
+	// No config available.
+	if (configOriginsString === undefined) {
+		console.log('WARN: trustedOrigins is unknown. Defaulting to http://localhost:6568. CORS might not work.');
+		return trustedOrigins;
+	}
+	// Config available
+	else if (typeof configOriginsString === 'string')
+		// But if it's empty, return defaults.
+		if (configOriginsString === '')
+			return trustedOrigins;
+		// Otherwise overwrite trustedOrigins with user-provided comma-separated values.
+		else
+			trustedOrigins = configOriginsString.split(',');
+
+	return trustedOrigins;
+}
+
+/**
+ * Retruns the CORS configuration containing user-provided origins.
+ * If none were found, they default to http://localhost:6568.
+ *
+ * @return     {any}  The cors configuration.
+ */
+export function getCorsConfig(): any {
+	return cors({
+		origin: getTrustedOrigins()
+	});
+}
--- a/src/tools/env.ts
+++ b/src/tools/env.ts
@@ -0,0 +1,87 @@
+import * as dotenv from 'dotenv';
+dotenv.config({ quiet: true });
+
+/**
+ * Get the environmental string from .env.
+ * Supports rewriting names to UPPER_SNAKE_CASE if isGlobal is set.
+ *
+ * @param      {string}              key              The key
+ * @param      {boolean}             [isGlobal=true]  Indicates if global
+ * @return     {(string|undefined)}  The environment string.
+ */
+export function getString(
+	key: string,
+	isGlobal: boolean = true
+): string | undefined {
+	let keyName: string = '';
+
+	if (isGlobal) {
+		// Global values are DECLARED_LIKE_THIS=...
+		for (let i: number = 0; i < key.length; i++) {
+			if (key[i].toLowerCase() === key[i]) {
+				// If is lowercase, skip.
+				keyName += key[i];
+			} else {
+				// If is uppercase, convert to snake case.
+				keyName += `_${key[i].toLowerCase()}`;
+			}
+		}
+		keyName = keyName.toUpperCase();
+	} else {
+		// Non-global keys are parsed as passed
+		keyName = key;
+	}
+
+	return process.env[keyName];
+}
+
+/**
+ * Get the environmental boolean from .env.
+ * Supports rewriting names to UPPER_SNAKE_CASE if isGlobal is set.
+ *
+ * @param      {string}               key              The key
+ * @param      {boolean}              [isGlobal=true]  Indicates if global
+ * @return     {(boolean|undefined)}  The environment boolean.
+ */
+export function getBool(
+	key: string,
+	isGlobal: boolean = true
+): boolean | undefined {
+	
+	const valueRead: string | undefined = getString(key, isGlobal);
+	if (valueRead === undefined) return undefined;
+	if (valueRead.toLowerCase() === 'true')
+		return true;
+
+	return false;
+}
+
+/**
+ * Processes public url, returning protocol, fqdn and path.
+ * proto://fqdn/path/ = fullPublicUrl
+ * @return     {RewriteStrings}  The rewrite strings.
+ */
+export function getRewriteStrings(): RewriteStrings {
+	const fullPublicUrl: string = getString('publicUrl', true)!;
+
+	const url = new URL(fullPublicUrl);
+	const proto = url.protocol.slice(0, -1); // https: -> https
+	const fqdn = url.host;
+	const path = url.pathname.replace(/\/+$/, '') + '/'; // /abc -> /abc/
+
+	const result: RewriteStrings = {
+		fullPublicUrl,
+		proto,
+		fqdn,
+		path
+	};
+
+	return result;
+};
+
+export type RewriteStrings = {
+	fullPublicUrl: string;
+	proto: string;
+	fqdn: string;
+	path: string;
+};
--- a/src/tools/hasher.ts
+++ b/src/tools/hasher.ts
@@ -0,0 +1,13 @@
+// Credits:
+// https://mojoauth.com/hashing/sha-512-in-typescript/
+import { createHash } from 'crypto';
+/**
+ * Generates a SHA-512 hash for the given input string.
+ * @param input - The input string to hash.
+ * @returns The SHA-512 hash as a hexadecimal string.
+ */
+export function generateSha512(input: string): string {
+	const hash = createHash('sha512');
+	hash.update(input);
+	return hash.digest('hex');
+}
--- a/src/tools/jwt.ts
+++ b/src/tools/jwt.ts
@@ -0,0 +1,91 @@
+// Heavily based on:
+// https://github.com/TomDoesTech/REST-API-Tutorial-Updated/blob/7b5f040e1acd94d267df585516b33ee7e3b75f70/src/utils/jwt.utils.ts
+import jwt from 'jsonwebtoken';
+import { DEFAULT_TOKEN_LIFETIME } from '../schemas/authSchema';
+import * as env from './env';
+
+export type JwtDecoded = {
+	sub: number;
+	role: number;
+	iat: number;
+	exp: number;
+};
+
+export type JwtStatus = {
+	valid: boolean;
+	expired: boolean;
+	decoded: JwtDecoded | null; // null if decoding failed
+};
+
+/**
+ * Sign a JWT containing sub (number), role (number, 0/1), iat/exp (unix timestamp) claims.
+ *
+ * @param      {Object}                                              object                              The object
+ * @param      {('accessTokenPrivateKey'|'refreshTokenPrivateKey')}  keyName                             The key name
+ * @param      {}                                                    options?:jwt.SignOptions|undefined  The sign options undefined
+ * @return     {string}                                              JWT string
+ */
+export function signJwt(
+	object: Object,
+	keyName: 'accessTokenPrivateKey' | 'refreshTokenPrivateKey',
+	options?: jwt.SignOptions | undefined
+): string {
+
+	// refresh tokens aren't (yet) supported
+	// const signingKey = Buffer.from(
+	// 	process.env[keyName]!,
+	// 	'base64'
+	// ).toString('utf8');
+
+	const secret: string = env.getString(keyName, true)!;
+
+	// Use the default expiration time of 24 hours.
+	if (options === undefined)
+		options = { expiresIn: DEFAULT_TOKEN_LIFETIME };
+
+	return jwt.sign(object, secret, {
+		...options, // (options && options)?
+		// algorithm: 'RS256', // requires a valid private key, not a secret
+	});
+}
+
+/**
+ * Verify a JWT against one of the keys.
+ * Returns JwtStatus, which contains fields for checking validity, expiry and decoded subject claim (id).
+ *
+ * @param      {string}                                            token    The token
+ * @param      {('accessTokenPublicKey'|'refreshTokenPublicKey')}  keyName  The key name
+ * @return     {JwtStatus}                                         JWT status.
+ */
+export function verifyJwt(
+	token: string,
+	keyName: 'accessTokenPrivateKey' | 'refreshTokenPrivateKey'
+): JwtStatus {
+
+	// refresh tokens aren't (yet) supported
+	// const publicKey = Buffer.from(
+	// 	process.env[keyName]!,
+	// 	'base64'
+	// ).toString('utf8');
+
+	const secret: string = env.getString(keyName, true)!;
+
+	try {
+		const decoded: jwt.JwtPayload | string = jwt.verify(token, secret);
+
+		// TODO: Can this be done better, smarter?
+
+		return {
+			valid: true,
+			expired: false,
+			decoded: decoded as unknown as JwtDecoded
+		};
+	} catch (e: any) {
+		console.error('JWT verify error:', e);
+		return {
+			valid: e.message !== 'jwt malformed',
+			expired: e.message === 'jwt expired',
+			decoded: null
+		};
+	}
+}
--- a/src/tools/validateSchema.ts
+++ b/src/tools/validateSchema.ts
@@ -0,0 +1,41 @@
+// Heavily based on:
+// https://github.com/TomDoesTech/REST-API-Tutorial-Updated/blob/7b5f040e1acd94d267df585516b33ee7e3b75f70/src/middleware/validateResource.ts
+import { Request, Response, NextFunction } from 'express';
+import { ErrorDTO } from '../schemas/miscSchema';
+import z from 'zod';
+
+const validate =
+	(schema: z.ZodObject) =>
+	(req: Request, res: Response, next: NextFunction) => {
+		try {
+			let validatedData = schema.parse({
+				body: req.body,
+				query: req.query,
+				params: req.params,
+			});
+			res.locals.validated = validatedData;
+			next();
+		} catch (e: any) {
+			if (e instanceof z.ZodError) {
+				let errorResponse: ErrorDTO = {
+					status: 'error',
+					error: e.issues[0]?.message ?? 'Unknown error',
+					code: e.issues[0]?.code
+				};
+				return res.status(400)
+						  .json(errorResponse);
+			} else {
+				console.log('Generic validation error triggered:', e);
+				let errorResponse: ErrorDTO = {
+					status: 'error',
+					error: 'Unknown error',
+					code: 'generic-error'
+				};
+				return res.status(400)
+						  .json(errorResponse);
+			}
+
+		}
+	};
+
+export default validate;
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -10,6 +10,10 @@
        "outDir": "./build",
        "emitDecoratorMetadata": true,
        "experimentalDecorators": true,
-        "sourceMap": true
+        "sourceMap": true,
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "strict": true,
+        "strictPropertyInitialization": false
    }
 }
--- a/wordlist.example-large.ts
+++ b/wordlist.example-large.ts
Author	SHA1	Message	Date
sherl	d7f4006698	feat: add link creation and lookup All checks were successful Build and push Docker image / build (push) Successful in 2m50s Details Release new version / release (push) Successful in 26s Details Update changelog / changelog (push) Successful in 25s Details finally has the bare minimum functionality to say that it works!	2026-01-03 10:51:59 +01:00
sherl	c19a098b1c	feat: add sample endpoint to test JWT	2026-01-03 04:37:20 +01:00
sherl	ec5cedce5a	fix: actually support JWT bearer authentication	2026-01-03 00:29:45 +01:00
sherl	4bf39c7fdf	chore: offload retrieval of environment variables from jwt.ts to env.ts	2026-01-02 22:57:03 +01:00
sherl	f86630c51e	feat: add link generation support (short/sentence links) + wordlist All checks were successful Update changelog / changelog (push) Successful in 26s Details	2026-01-02 17:50:52 +01:00
sherl	f0ca4e897c	fix: fix CORS import All checks were successful Update changelog / changelog (push) Successful in 25s Details	2025-12-30 18:44:31 +01:00
sherl	6ad9c6fd61	feat: add CORS support with user-sourced trusted origins from .env All checks were successful Update changelog / changelog (push) Successful in 24s Details	2025-12-30 17:41:35 +01:00
sherl	7abf5bad09	fix: global key retrieval not converting snake_case to UPPER_SNAKE_CASE All checks were successful Update changelog / changelog (push) Successful in 25s Details	2025-12-30 17:00:05 +01:00
sherl	41f3b0f0f2	feat: major code refactor, add login and register endpoints with swagger All checks were successful Update changelog / changelog (push) Successful in 27s Details	2025-12-29 18:26:50 +01:00
sherl	3f225a1ecb	fix: add revised migration All checks were successful Update changelog / changelog (push) Successful in 25s Details	2025-12-11 22:37:24 +01:00
sherl	bade2f9b86	feat: add 404 handling All checks were successful Update changelog / changelog (push) Successful in 25s Details	2025-12-09 12:49:55 +01:00
sherl	58460d988d	chore: add new workflows (changelog, automatic releases) All checks were successful Update changelog / changelog (push) Successful in 26s Details Docker images will now be built on every release	2025-12-09 12:32:38 +01:00
sherl	8fb05f2662	fix: use debian-based container for image building All checks were successful Build and push Docker image / build (push) Successful in 2m26s Details fixes https://stackoverflow.com/a/75730731	2025-12-07 20:21:45 +01:00
sherl	2e325fe018	feat: refactor docker workflow; build both amd64 and arm64 docker images Some checks failed Build and push Docker image / build (push) Failing after 54s Details	2025-12-07 20:18:24 +01:00
sherl	52dbd158a9	fix: respect debug flag in .env for swagger endpoint generation All checks were successful Build and push Docker image / build (push) Successful in 22s Details	2025-12-04 17:15:20 +01:00
sherl	f897a3e4ce	chore: move docker-compose to main repo All checks were successful Build and push Docker image / build (push) Successful in 27s Details	2025-12-04 15:33:54 +01:00
eee4	bf6fb81a73	fix: add .dockerignore to not build containers with .env secrets All checks were successful Build and push Docker image / build (push) Successful in 24s Details	2025-12-03 00:19:25 +01:00
eee4	7bb2dd5434	fix: typo in Gitea workflow 2 All checks were successful Build and push Docker image / build (push) Successful in 22s Details	2025-12-02 23:17:10 +01:00
eee4	fa5932d270	fix: typo in Gitea workflow Some checks failed Build and push Docker image / build (push) Failing after 1s Details	2025-12-02 23:11:17 +01:00
eee4	09f0d3ce1f	feat: add Gitea workflow for Docker image building Some checks failed Build and push Docker image / build (push) Failing after 22s Details	2025-12-02 23:04:19 +01:00
eee4	6b2f93b962	feat: add a Dockerfile for image building	2025-12-02 22:59:21 +01:00