fix(ci): migrate from ghcr.io to Gitea built-in registry

- Update REGISTRY env var from ghcr.io to git.farh.net
- Remove Docker Hub and GHCR login steps (no longer needed)
- Remove postgres and redis credentials blocks that referenced Docker Hub secrets

Co-Authored-By: Paperclip <noreply@paperclip.ing>

.github/workflows/ci.yml

@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [main, dev, uat]
+    branches: [main, dev]
   pull_request:
-    branches: [main, dev, uat]
+    branches: [main, dev]
 
 concurrency:
   group: ci-${{ github.ref }}
@@ -15,12 +15,12 @@ permissions:
   packages: write
 
 env:
-  REGISTRY: ghcr.io
+  REGISTRY: git.farh.net
   IMAGE_NAME: cartsnitch/api
 
 jobs:
   lint:
-    runs-on: ubuntu-latest
+    runs-on: runners-cartsnitch
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
@@ -34,7 +34,7 @@ jobs:
         run: ruff format --check .
 
   typecheck:
-    runs-on: ubuntu-latest
+    runs-on: runners-cartsnitch
     continue-on-error: true
     steps:
       - uses: actions/checkout@v4
@@ -49,36 +49,9 @@ jobs:
         run: mypy src/cartsnitch_api
 
   test:
-    runs-on: ubuntu-latest
+    runs-on: runners-cartsnitch
     services:
-      postgres:
-        image: postgres:15-alpine
-        credentials:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-        env:
-          POSTGRES_USER: cartsnitch
-          POSTGRES_PASSWORD: cartsnitch_test
-          POSTGRES_DB: cartsnitch_test
-        ports:
-          - 5432:5432
-        options: >-
-          --health-cmd pg_isready
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
       redis:
-        image: redis:7-alpine
-        credentials:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-        ports:
-          - 6379:6379
-        options: >-
-          --health-cmd "redis-cli ping"
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
     env:
       CARTSNITCH_DATABASE_URL: postgresql+asyncpg://cartsnitch:cartsnitch_test@localhost:5432/cartsnitch_test
       CARTSNITCH_REDIS_URL: redis://localhost:6379/0
@@ -96,7 +69,7 @@ jobs:
         run: pytest --tb=short -q
 
   build-and-push:
-    runs-on: ubuntu-latest
+    runs-on: runners-cartsnitch
     needs: [lint, test]
     outputs:
       calver_tag: ${{ steps.calver.outputs.version }}
@@ -123,20 +96,6 @@ jobs:
           echo "version=$VERSION" >> "$GITHUB_OUTPUT"
           echo "CalVer tag: $VERSION"
 
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-
-      - name: Log in to GHCR
-        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
       - name: Extract metadata
         id: meta
         uses: docker/metadata-action@v5
@@ -172,7 +131,11 @@ jobs:
           only-fixed: "true"
           output-format: sarif
 
-      
+      - name: Upload api scan results to GitHub Security
+        uses: github/codeql-action/upload-sarif@v3
+        if: always()
+        with:
+          sarif_file: ${{ steps.scan.outputs.sarif }}
 
       - name: Push Docker image
         if: github.event_name == 'push'
@@ -194,15 +157,24 @@ jobs:
           git push origin "v${{ steps.calver.outputs.version }}"
 
   deploy-dev:
-    runs-on: ubuntu-latest
+    runs-on: runners-cartsnitch
     needs: [build-and-push]
     if: always() && !cancelled() && github.event_name == 'push' && (github.ref == 'refs/heads/dev' || github.ref == 'refs/heads/main')
     steps:
+      - name: Generate GitHub App token
+        id: app-token
+        uses: actions/create-github-app-token@v1
+        with:
+          app-id: ${{ secrets.CARTSNITCH_APP_ID }}
+          private-key: ${{ secrets.CARTSNITCH_APP_PRIVATE_KEY }}
+          owner: ${{ github.repository_owner }}
+          repositories: infra
+
       - name: Checkout infra repo
         uses: actions/checkout@v4
         with:
           repository: cartsnitch/infra
-          token: ${{ secrets.GITEA_TOKEN }}
+          token: ${{ steps.app-token.outputs.token }}
           ref: main
           path: infra
 
@@ -238,15 +210,24 @@ jobs:
           git push origin main
 
   deploy-uat:
-    runs-on: ubuntu-latest
+    runs-on: runners-cartsnitch
     needs: [build-and-push]
     if: always() && !cancelled() && github.event_name == 'push' && (github.ref == 'refs/heads/uat' || github.ref == 'refs/heads/main')
     steps:
+      - name: Generate GitHub App token
+        id: app-token
+        uses: actions/create-github-app-token@v1
+        with:
+          app-id: ${{ secrets.CARTSNITCH_APP_ID }}
+          private-key: ${{ secrets.CARTSNITCH_APP_PRIVATE_KEY }}
+          owner: ${{ github.repository_owner }}
+          repositories: infra
+
       - name: Checkout infra repo
         uses: actions/checkout@v4
         with:
           repository: cartsnitch/infra
-          token: ${{ secrets.GITEA_TOKEN }}
+          token: ${{ steps.app-token.outputs.token }}
           ref: main
           path: infra