Add publish-docker.yml

.gitea/workflows/publish-docker.yml

@@ -0,0 +1,47 @@
+name: Publish Docker image
+
+on:
+  push:
+    tags:
+      - 'OFDLV*'
+
+jobs:
+  docker:
+    name: Build and push Docker image to Gitea Registry
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Extract tag and version
+        id: version
+        run: |
+          TAG="${{ gitea.ref##refs/tags/ }}"
+          VERSION="${TAG#OFDLV}"
+          echo "Tag: $TAG"
+          echo "Version: $VERSION"
+          echo "tag=$TAG" >> "$GITEA_OUTPUT"
+          echo "version=$VERSION" >> "$GITEA_OUTPUT"
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Gitea Docker Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.ofdl.tools
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: |
+            git.ofdl.tools/sim0n00ps/of-dl:latest
+            git.ofdl.tools/sim0n00ps/of-dl:${{ steps.version.outputs.version }}
+          build-args: |
+            VERSION=${{ steps.version.outputs.version }}