feat: dockerfile & ci

.github/workflows/docker.yml

@@ -0,0 +1,76 @@
+name: Docker
+
+on:
+ push:
+ branches: [ "main" ]
+ tags: [ '*' ]
+ paths-ignore:
+ - 'LICENSE'
+ - 'README.md'
+ - 'config.example.yaml'
+ pull_request:
+ branches: [ "main" ]
+
+jobs:
+ # Publish to GitHub Container Registry
+ publish-ghcr:
+ runs-on: ubuntu-latest
+
+ name: Docker release to GitHub Container Registry
+
+ strategy:
+ matrix:
+ component:
+ - main
+ - generator
+
+ env:
+ REGISTRY: ghcr.io
+ IMAGE_NAME: ${{ github.repository }}-${{ matrix.component }}
+
+ permissions:
+ contents: read
+ packages: write
+ id-token: write
+
+ steps:
+ - name: Checkout repository
+ uses: actions/checkout@v3
+
+ # Workaround: https://github.com/docker/build-push-action/issues/461
+ - name: Setup Docker buildx
+ uses: docker/setup-buildx-action@v2
+
+ # Login against a Docker registry except on PR
+ # https://github.com/docker/login-action
+ - name: Log into registry ${{ env.REGISTRY }}
+ if: github.event_name != 'pull_request'
+ uses: docker/login-action@v2
+ with:
+ registry: ${{ env.REGISTRY }}
+ username: ${{ github.actor }}
+ password: ${{ secrets.GITHUB_TOKEN }}
+
+ # Extract metadata (tags, labels) for Docker
+ # https://github.com/docker/metadata-action
+ - name: Extract Docker metadata
+ id: meta
+ uses: docker/metadata-action@v4
+ with:
+ images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+ # Build and push Docker image with Buildx (don't push on PR)
+ # https://github.com/docker/build-push-action
+ - name: Build and push Docker image
+ id: build-and-push
+ uses: docker/build-push-action@v4
+ with:
+ context: .
+ file: docker/application/Dockerfile
+ build-args:
+ - COMPONENT=${{ matrix.component }}
+ push: ${{ github.event_name != 'pull_request' }}
+ tags: ${{ steps.meta.outputs.tags }}
+ labels: ${{ steps.meta.outputs.labels }}
+ cache-from: type=gha
+ cache-to: type=gha,mode=max

docker/application/Dockerfile

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+FROM golang:1.21 AS builder
+ARG COMPONENT=main
+
+WORKDIR /go/src/app
+
+# Install dependencies
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the app
+RUN make build-${COMPONENT}
+
+FROM alpine AS runner
+ARG COMPONENT=main
+
+WORKDIR /app
+
+# Copy the binary from the build stage
+COPY --from=builder /go/src/app/bin/${COMPONENT} ./application
+
+# Run the binary
+ENTRYPOINT ["./application"]