ops(ci): automate testing and container image releases

Add PostgreSQL-backed Go validation for application changes and semantic-version release publishing to GHCR. Default deployments to the public image and prevent host setup from starting the application before deployment.
2026-10-27 19:02:49 -05:00 · 2026-08-07 11:38:23 -05:00
parent d118f52387
commit 2ff14e6221
6 changed files with 229 additions and 8 deletions
@@ -0,0 +1,130 @@
+name: Publish container image
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  contents: read
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+  RELEASE_TAG: ${{ github.event.release.tag_name }}
+
+jobs:
+  test:
+    name: Test release
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:17-alpine
+        env:
+          POSTGRES_DB: todo_test
+          POSTGRES_USER: todo_test
+          POSTGRES_PASSWORD: test-password
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd "pg_isready -U todo_test -d todo_test"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+    defaults:
+      run:
+        working-directory: app
+    env:
+      TEST_DATABASE_URL: postgres://todo_test:test-password@127.0.0.1:5432/todo_test?sslmode=disable
+    steps:
+      - name: Validate release tag
+        working-directory: .
+        run: |
+          if [[ ! "$RELEASE_TAG" =~ ^v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)(-((0|[1-9][0-9]*|[0-9]*[A-Za-z-][0-9A-Za-z-]*)(\.(0|[1-9][0-9]*|[0-9]*[A-Za-z-][0-9A-Za-z-]*))*))?(\+([0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*))?$ ]]; then
+            printf 'Release tag must use semantic versioning with a v prefix: %s\n' "$RELEASE_TAG" >&2
+            exit 1
+          fi
+
+      - name: Check out release
+        uses: actions/checkout@v6
+        with:
+          ref: ${{ env.RELEASE_TAG }}
+
+      - name: Set up Go
+        uses: actions/setup-go@v6
+        with:
+          go-version-file: app/go.mod
+          cache-dependency-path: app/go.sum
+
+      - name: Run tests
+        run: go test ./...
+
+      - name: Run vet
+        run: go vet ./...
+
+  publish:
+    name: Publish image
+    needs: test
+    runs-on: ubuntu-latest
+    concurrency:
+      group: publish-image-${{ github.event.release.tag_name }}
+      cancel-in-progress: false
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    steps:
+      - name: Check out release
+        uses: actions/checkout@v6
+        with:
+          ref: ${{ env.RELEASE_TAG }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Generate image metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=semver,pattern={{raw}},value=${{ env.RELEASE_TAG }}
+            type=semver,pattern={{version}},value=${{ env.RELEASE_TAG }}
+            type=semver,pattern={{major}}.{{minor}},value=${{ env.RELEASE_TAG }}
+            type=semver,pattern={{major}},value=${{ env.RELEASE_TAG }},enable=${{ !startsWith(env.RELEASE_TAG, 'v0.') }}
+            type=raw,value=latest,enable=${{ !github.event.release.prerelease }}
+          labels: |
+            org.opencontainers.image.description=Server-rendered Go todo application deployed to Hetzner Cloud
+          annotations: |
+            org.opencontainers.image.description=Server-rendered Go todo application deployed to Hetzner Cloud
+        env:
+          DOCKER_METADATA_ANNOTATIONS_LEVELS: manifest,index
+
+      - name: Build and push image
+        id: push
+        uses: docker/build-push-action@v6
+        with:
+          context: app
+          file: app/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          annotations: ${{ steps.meta.outputs.annotations }}
+
+      - name: Attest image provenance
+        uses: actions/attest@v4
+        with:
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true