add weekly build, change to trixie and clean up

.gitea/workflows/weekly-build.yml

@@ -0,0 +1,50 @@
+name: Weekly Docker Image Rebuild
+
+on:
+  schedule:
+    - cron: '0 2 * * 0'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.paucapo.com
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Build and push PHP images
+        run: |
+          PHP_VERSIONS="7.4 8.0 8.1 8.2"
+          PLATFORMS="linux/arm64/v8,linux/amd64"
+          
+          docker buildx create --use --platform=linux/arm64/v8,linux/amd64 --name multi-platform-builder
+          docker buildx inspect --bootstrap
+          
+          for PHP_VERSION in ${PHP_VERSIONS}; do
+            echo "Building php:${PHP_VERSION}"
+            docker buildx build \
+              --no-cache \
+              --platform=${PLATFORMS} \
+              --push \
+              -f "./Dockerfile-php" \
+              -t "git.paucapo.com/server/php:${PHP_VERSION}" \
+              --build-arg PHP_VERSION=${PHP_VERSION} \
+              .
+          done
+          
+          docker buildx rm multi-platform-builder --force
+
+      - name: Cleanup
+        if: always()
+        run: |
+          docker image prune -a --force