Create ci.yml

Author: gacerioni

.github/workflows/ci.yml

@@ -0,0 +1,96 @@
+name: CI (Build & Push Docker, Update Release)
+
+on:
+  push:
+    branches: [ "main" ]
+    tags:     [ "v*.*.*" ]
+  workflow_dispatch: {}
+
+env:
+  REGISTRY: docker.io
+  IMAGE_NAME: ${{ secrets.DOCKERHUB_USERNAME }}/gabs-redis-langcache   # ajuste se o repositório no Docker Hub tiver outro nome
+  DOCKER_CONTEXT: .
+  DOCKERFILE: ./Dockerfile
+
+jobs:
+  build-and-push:
+    name: Build & Push to Docker Hub
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write   # necessário para atualizar/ criar Release em tags
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Extract Docker metadata (tags & labels)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=sha
+            type=ref,event=branch
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=semver,pattern={{version}}
+          labels: |
+            org.opencontainers.image.title=${{ github.event.repository.name }}
+            org.opencontainers.image.source=${{ github.repository }}
+            org.opencontainers.image.revision=${{ github.sha }}
+
+      - name: Build & Push
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          context: ${{ env.DOCKER_CONTEXT }}
+          file: ${{ env.DOCKERFILE }}
+          push: true
+          labels: ${{ steps.meta.outputs.labels }}
+          tags: ${{ steps.meta.outputs.tags }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          provenance: false
+
+      # Somente em tags (ex.: v1.2.3), cria/atualiza a Release do GitHub com notas automáticas
+      - name: Compose release notes
+        if: startsWith(github.ref, 'refs/tags/')
+        id: notes
+        run: |
+          TAG="${GITHUB_REF#refs/tags/}"
+          DIGEST="${{ steps.build.outputs.digest }}"
+          {
+            echo "## 🐳 Docker Image"
+            echo ""
+            echo "- Registry: \`${{ env.REGISTRY }}\`"
+            echo "- Image: \`${{ env.IMAGE_NAME }}\`"
+            echo "- Tags publicados:"
+            # Mostra as tags resolvidas pelo metadata-action
+            echo '${{ steps.meta.outputs.tags }}' | tr ' ' '\n' | sed 's/^/- /'
+            echo ""
+            echo "### Digest"
+            echo "\`${DIGEST}\`"
+            echo ""
+            echo "### Commit"
+            echo "\`${GITHUB_SHA}\`"
+          } > release-notes.md
+          cat release-notes.md
+
+      - name: Create/Update GitHub Release
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            release-notes.md
+          body_path: release-notes.md
+          generate_release_notes: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}