build.yml

name: Build

on:
  workflow_dispatch:
  push:
    branches: ['main']
    # Publish semver tags as releases.
    tags: ['v*.*.*']
    paths-ignore:
      - README.md
      - CONTRIBUTING.md
      - CODEOWNERS
      - 'docs/**'
      - 'terraform/**'
      - '.gitignore'
      - 'mkdocs.yml'
  pull_request:
    branches: ['main']
    paths-ignore:
      - README.md
      - CONTRIBUTING.md
      - CODEOWNERS
      - 'docs/**'
      - 'terraform/**'
      - '.gitignore'
      - 'mkdocs.yml'

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}

defaults:
  run:
    shell: bash

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: 'npm'

      - run: yarn install --frozen-lockfile

      # tsc outputs type definitions to dist-types/ in the repo root, which are then consumed by the build
      - run: yarn tsc

      # Build the backend, which bundles it all up into the packages/backend/dist folder.
      # The configuration files here should match the one you use inside the Dockerfile below.
      - run: yarn build:backend --config ../../app-config.yaml --config ../../app-config.production.yaml

      # Install the cosign tool except on PR
      # https://github.com/sigstore/cosign-installer
      - name: Install cosign
        if: github.event_name != 'pull_request'
        uses: sigstore/cosign-installer@v3.4.0
        with:
          cosign-release: 'v2.2.3'

      # Set up BuildKit Docker container builder to be able to build
      # multi-platform images and export cache
      # https://github.com/docker/setup-buildx-action
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0

      # 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@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
        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@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            # Use sha for tags
            type=sha,format=long
            # set latest tag for default branch
            type=raw,value=latest,enable={{is_default_branch}}

      # 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@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
        with:
          context: .
          file: packages/backend/Dockerfile
          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

      # Sign the resulting Docker image digest except on PRs.
      # This will only write to the public Rekor transparency log when the Docker
      # repository is public to avoid leaking data.  If you would like to publish
      # transparency data even for private images, pass --force to cosign below.
      # https://github.com/sigstore/cosign
      - name: Sign the published Docker image
        if: ${{ github.event_name != 'pull_request' }}
        env:
          # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
          TAGS: ${{ steps.meta.outputs.tags }}
          DIGEST: ${{ steps.build-and-push.outputs.digest }}

        # This step uses the identity token to provision an ephemeral certificate
        # against the sigstore community Fulcio instance.
        run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}

    outputs:
      image_digest: ${{ steps.build-and-push.outputs.digest }}

  sandbox-deploy-argo:
    needs: build
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'
    environment:
      name: sandbox
    strategy:
      matrix:
        env:
          - atgcp1-sandbox
    permissions:
      id-token: write

    steps:
      - uses: octo-sts/action@6177b4481c00308b3839969c3eca88c96a91775f # v1.0.0
        id: octo-sts
        with:
          scope: kartverket/skip-apps
          identity: utviklerportal

      - name: Checkout apps repo
        uses: actions/checkout@v4
        with:
          repository: kartverket/skip-apps
          token: ${{ steps.octo-sts.outputs.token }}

      - name: Deploy to ${{ matrix.env }}
        run: |
          kubectl patch --type=merge --local \
            -f ./env/${{ matrix.env }}/backstage/patches/application.yaml \
            -p '{"spec":{"image":"ghcr.io/kartverket/kartverket.dev@${{needs.build.outputs.image_digest}}"}}' \
            -o yaml > ./env/${{ matrix.env }}/backstage/patches/application.yaml.new
          mv ./env/${{ matrix.env }}/backstage/patches/application.yaml.new ./env/${{ matrix.env }}/backstage/patches/application.yaml
          git add ./env/${{ matrix.env }}/backstage/patches/application.yaml
          git config --global user.email "noreply@kartverket.no"
          git config --global user.name "GitHub Actions"
          git commit -m "Deploy ${{ matrix.env }} version ${{github.ref_name}}"
          git fetch origin
          git rebase origin/main
          git push

  prod-deploy-argo:
    needs: [build, sandbox-deploy-argo]
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'
    environment:
      name: prod
    strategy:
      matrix:
        env:
          - atgcp1-prod
    permissions:
      id-token: write

    steps:
      - uses: octo-sts/action@6177b4481c00308b3839969c3eca88c96a91775f # v1.0.0
        id: octo-sts
        with:
          scope: kartverket/skip-apps
          identity: utviklerportal

      - name: Checkout apps repo
        uses: actions/checkout@v4
        with:
          repository: kartverket/skip-apps
          token: ${{ steps.octo-sts.outputs.token }}

      - name: Deploy to ${{ matrix.env }}
        run: |
          kubectl patch --type=merge --local \
            -f ./env/${{ matrix.env }}/backstage/patches/application.yaml \
            -p '{"spec":{"image":"ghcr.io/kartverket/kartverket.dev@${{needs.build.outputs.image_digest}}"}}' \
            -o yaml > ./env/${{ matrix.env }}/backstage/patches/application.yaml.new
          mv ./env/${{ matrix.env }}/backstage/patches/application.yaml.new ./env/${{ matrix.env }}/backstage/patches/application.yaml
          git add ./env/${{ matrix.env }}/backstage/patches/application.yaml
          git config --global user.email "noreply@kartverket.no"
          git config --global user.name "GitHub Actions"
          git commit -m "Deploy ${{ matrix.env }} version ${{github.ref_name}}"
          git fetch origin
          git rebase origin/main
          git push