test-build-deploy.yml

name: CI and CD

on:
  pull_request:
  push:
    branches:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  test:
    runs-on: ubuntu-latest

    env:
      RACK_ENV: test
      RAILS_ENV: test
      DATABASE_URL: "postgresql://postgres:postgres@127.0.0.1/laa-apply-for-criminal-legal-aid-test"

    services:
      postgres:
        image: postgres:15.2-alpine
        env:
          POSTGRES_DB: laa-apply-for-criminal-legal-aid-test
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
        ports:
          - 5432:5432
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Setup Ruby and install gems
        uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true

      - name: Find yarn cache location
        id: yarn-cache-dir-path
        run: echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT

      - name: JS package cache
        uses: actions/cache@v3
        id: yarn-cache
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-

      - name: Install packages with yarn
        run: yarn install --frozen-lockfile --ignore-scripts

      - name: Precompile assets
        run: bin/rails assets:precompile

      - name: Setup test database
        run: bin/rails db:prepare

      - name: Run linters and tests
        run: bundle exec rake

      - name: Upload rspec coverage (if failure)
        if: failure()
        uses: actions/upload-artifact@v3
        with:
          name: rspec-coverage
          path: coverage/*

  build:
    runs-on: ubuntu-latest
    needs: test
    if: github.ref == 'refs/heads/main'

    permissions:
      id-token: write # This is required for requesting the JWT
      contents: read  # This is required for actions/checkout

    outputs:
      ecr_url: ${{ steps.ecr-url-output.outputs.ecr_url }}

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      # Assume role in Cloud Platform
      - uses: aws-actions/configure-aws-credentials@v3
        with:
          role-to-assume: ${{ secrets.ECR_ROLE_TO_ASSUME }}
          aws-region: ${{ vars.ECR_REGION }}

      # Login to container repository
      - uses: aws-actions/amazon-ecr-login@v1
        id: login-ecr

      - name: Store ECR endpoint as output
        id: ecr-url-output
        run: echo "ecr_url=${{ steps.login-ecr.outputs.registry }}/${{ vars.ECR_REPOSITORY }}" >> $GITHUB_OUTPUT

      - name: Store current date
        run: echo "BUILD_DATE=$(date +%Y%m%d%H%M)" >> $GITHUB_ENV

      - name: Build
        run: |
          docker build \
            --label build.git.sha=${{ github.sha }} \
            --label build.git.branch=${{ github.ref }} \
            --label build.date=${{ env.BUILD_DATE }} \
            --build-arg APP_BUILD_DATE=${{ env.BUILD_DATE }} \
            --build-arg APP_BUILD_TAG=${{ github.ref }} \
            --build-arg APP_GIT_COMMIT=${{ github.sha }} \
            -t app .

      - name: Push to ECR
        id: ecr
        env:
          ECR_URL: ${{ steps.ecr-url-output.outputs.ecr_url }}
        run: |
          docker tag app $ECR_URL:${{ github.sha }}
          docker tag app $ECR_URL:staging.latest
          docker push $ECR_URL:${{ github.sha }}
          docker push $ECR_URL:staging.latest

  deploy-staging:
    runs-on: ubuntu-latest
    needs: build
    environment: staging

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Deploy staging
        uses: ./.github/actions/deploy
        with:
          environment-name: staging
          git-crypt-key: ${{ secrets.GIT_CRYPT_KEY }}
          ecr-url: ${{ needs.build.outputs.ecr_url }}
          kube-cert: ${{ secrets.KUBE_STAGING_CERT }}
          kube-token: ${{ secrets.KUBE_STAGING_TOKEN }}
          kube-cluster: ${{ secrets.KUBE_STAGING_CLUSTER }}
          kube-namespace: ${{ secrets.KUBE_STAGING_NAMESPACE }}

  deploy-production:
    runs-on: ubuntu-latest
    needs: [build, deploy-staging]
    environment: production

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Deploy production
        uses: ./.github/actions/deploy
        with:
          environment-name: production
          git-crypt-key: ${{ secrets.GIT_CRYPT_KEY }}
          ecr-url: ${{ needs.build.outputs.ecr_url }}
          kube-cert: ${{ secrets.KUBE_PRODUCTION_CERT }}
          kube-token: ${{ secrets.KUBE_PRODUCTION_TOKEN }}
          kube-cluster: ${{ secrets.KUBE_PRODUCTION_CLUSTER }}
          kube-namespace: ${{ secrets.KUBE_PRODUCTION_NAMESPACE }}