ci: Add Gitea workflow for Docker image release

.gitea/workflows/build-image.yml

@@ -0,0 +1,54 @@
+name: Release Docker Image
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  push_to_registries:
+    name: Push Docker image to Registry
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.danielvici.com
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Docker tags
+        id: meta
+        run: |
+          version_tag="${{github.ref_name}}"
+          CLEAN_TAG=$(echo $version_tag | sed 's/^v//')
+          OWNER=$(echo "${{ github.repository_owner }}" | tr '[:upper:]' '[:lower:]')
+          REPO=$(echo "${{ github.event.repository.name }}" | tr '[:upper:]' '[:lower:]')
+          
+          TAGS="git.danielvici.com/${OWNER}/${REPO}:${CLEAN_TAG}"
+          
+          if [[ "$version_tag" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+            TAGS="${TAGS},git.danielvici.com/${OWNER}/${REPO}:latest"
+            TAGS="${TAGS},git.danielvici.com/${OWNER}/${REPO}:$(echo $CLEAN_TAG | cut -d. -f1)"
+          fi
+          
+          echo "tags=${TAGS}" >> "$GITHUB_OUTPUT"
+
+      - name: Build and push Docker images
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64
+          tags: ${{ steps.meta.outputs.tags }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max