added release.yaml (#4)

.github/workflows/release.yaml

@@ -0,0 +1,73 @@
+name: Docker Release
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Log in to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: petabridge/pbm
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: |
+            petabridge/pbm:latest
+            petabridge/pbm:${{ github.ref_name }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Create and push manifest
+        run: |
+          docker manifest create petabridge/pbm:latest \
+            petabridge/pbm:latest-linux-amd64 \
+            petabridge/pbm:latest-linux-arm64
+          docker manifest annotate petabridge/pbm:latest petabridge/pbm:latest-linux-arm64 --arch arm64
+          docker manifest push petabridge/pbm:latest
+
+      - name: Update DockerHub README
+        uses: docker/metadata-action@v4
+        with:
+          images: petabridge/pbm
+          flavor: latest=false
+          labels: |
+            org.opencontainers.image.description=${{ github.event.repository.description }}
+          readme-filepath: ./README.md
+
+      - name: Generate release notes
+        id: release_notes
+        run: |
+          echo "### Release Notes" > release_notes.md
+          git log --oneline $(git describe --tags --abbrev=0 @^)..@ >> release_notes.md
+
+      - name: Create GitHub release
+        run: |
+          gh release create ${{ github.ref_name }} release_notes.md --title "Release ${{ github.ref_name }}" --notes-file release_notes.md
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}