Setup release workflow

.github/release.yaml

@@ -0,0 +1,20 @@
+changelog:
+  exclude:
+    labels:
+      - exclude from release notes
+  categories:
+    - title: Maintenance
+      labels:
+        - maintenance
+    - title: New Features
+      labels:
+        - new feature
+    - title: Improvements
+      labels:
+        - improvement
+    - title: Bug Fixes
+      labels:
+        - bug
+    - title: Other
+      labels:
+        - "*"

.github/workflows/publish-image.yaml

@@ -0,0 +1,62 @@
+on:
+  workflow_call:
+    inputs:
+      latest:
+        description:
+          Release as the latest version, tagging the images with the version number found in
+          package.json.
+        default: false
+        type: boolean
+
+jobs:
+  tags:
+    name: Compose version tags
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Parse semver number from package.json
+        run: |
+          PACKAGE_VERSION=$(cat package.json | jq '.version' | tr -d '"')
+          echo "MAJOR=$(echo $PACKAGE_VERSION | cut -d "." -f 1)" >> $GITHUB_ENV
+          echo "MINOR=$(echo $PACKAGE_VERSION | cut -d "." -f 2)" >> $GITHUB_ENV
+          echo "PATCH=$(echo $PACKAGE_VERSION | cut -d "." -f 3)" >> $GITHUB_ENV
+      - name: Compose Docker tags
+        run: |
+          echo "MAJOR_V=ghcr.io/funidata/kaiku:$MAJOR" >> $GITHUB_ENV
+          echo "MINOR_V=ghcr.io/funidata/kaiku:$MAJOR.$MINOR" >> $GITHUB_ENV
+          echo "FULL_V=ghcr.io/funidata/kaiku:$MAJOR.$MINOR.$PATCH" >> $GITHUB_ENV
+      - name: Compose tag list
+        run: echo "TAG_LIST=$MAJOR_V,$MINOR_V,$FULL_V,ghcr.io/funidata/kaiku:latest" >> $GITHUB_ENV
+      - name: Select correct tags
+        id: tags
+        run:
+          echo SELECTED_TAGS=$(if [ ${{ inputs.latest }} = true ]; then echo $TAG_LIST; else echo
+          "ghcr.io/funidata/kaiku:next"; fi) >> $GITHUB_OUTPUT
+    outputs:
+      tag-list: ${{ steps.tags.outputs.SELECTED_TAGS }}
+
+  publish:
+    name: Publish image
+    needs:
+      - tags
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build production image
+        uses: docker/build-push-action@v5
+        with:
+          context: app
+          push: true
+          tags: ${{ needs.tags.outputs.tag-list }}

.github/workflows/push-main.yaml

@@ -9,3 +9,9 @@ jobs:
   tests:
     name: Run tests
     uses: ./.github/workflows/run-tests.yaml
+
+  release:
+    name: Publish image (next)
+    uses: ./.github/workflows/publish-image.yaml
+    needs:
+      - tests

.github/workflows/release.yaml

@@ -0,0 +1,19 @@
+name: Release new version
+
+on:
+  release:
+    types:
+      - released
+
+jobs:
+  tests:
+    name: Run tests
+    uses: ./.github/workflows/run-tests.yaml
+
+  release:
+    name: Publish image (latest)
+    uses: ./.github/workflows/publish-image.yaml
+    with:
+      latest: true
+    needs:
+      - tests

app/.dockerignore

@@ -0,0 +1 @@
+node_modules

app/Dockerfile

@@ -0,0 +1,26 @@
+# Production image.
+FROM node:20.17 AS build
+
+ENV NODE_ENV=production
+
+# Build backend.
+WORKDIR /usr/src/app
+COPY package.json package-lock.json ./
+RUN npm ci --include dev
+COPY . .
+RUN npm run build
+RUN npm prune
+
+# Final build stage to pick only actually needed files into the image.
+FROM node:20.17-alpine
+
+LABEL org.opencontainers.image.description="Kaiku backend image."
+
+USER node
+
+WORKDIR /app
+COPY --from=build /usr/src/app/dist ./dist
+COPY --from=build /usr/src/app/node_modules ./node_modules
+
+# Run database migrations before booting server.
+CMD ["node", "dist/main.js"]