build: add docker image for the backend.

.github/workflows/build-backend.yaml

@@ -0,0 +1,60 @@
+name: Build & Push Backend Container
+
+on:
+ push:
+ branches:
+ - main
+ tags:
+ - "v*"
+
+env:
+ RELEASE_VERSION: ${{ github.ref_name }}
+
+jobs:
+ build-and-publish:
+ name: Build and Publish Container
+ runs-on: ubuntu-latest
+ env:
+ DEPLOY_HOOK: ${{ secrets.DEPLOY_HOOK }}
+
+ steps:
+ - name: Checkout
+ uses: actions/checkout@v3
+
+ - name: Docker meta
+ id: meta
+ uses: docker/metadata-action@v4
+ with:
+ # list of Docker images to use as base name for tags
+ images: |
+ ghcr.io/${{ github.repository }}-backend
+
+ # generate Docker tags based on the following events/attributes
+ tags: |
+ type=schedule
+ type=ref,event=branch
+ type=ref,event=pr
+ type=semver,pattern={{version}}
+ type=semver,pattern={{major}}.{{minor}}
+ type=semver,pattern={{major}}
+ type=sha
+
+ - name: Set up Docker Buildx
+ uses: docker/setup-buildx-action@v2
+
+ - name: Login to GitHub Container Registry
+ uses: docker/login-action@v2
+ with:
+ registry: ghcr.io
+ username: ${{ github.actor }}
+ password: ${{ secrets.GITHUB_TOKEN }}
+
+ - name: Build and push
+ uses: docker/build-push-action@v3
+ with:
+ context: "{{defaultContext}}:backend"
+ push: true
+ tags: ${{ steps.meta.outputs.tags }}
+ labels: ${{ steps.meta.outputs.labels }}
+ cache-from: type=gha
+ cache-to: type=gha,mode=max

backend/.dockerignore

@@ -0,0 +1 @@
+Dockerfile

backend/Dockerfile

@@ -0,0 +1,7 @@
+FROM messense/rust-musl-cross:x86_64-musl as build
+COPY . /home/rust/src
+RUN cargo build --release
+
+FROM scratch
+COPY --from=build /home/rust/src/target/x86_64-unknown-linux-musl/release/backend /backend
+ENTRYPOINT ["/backend"]