build_and_deploy.yml

name: Build and deploy to AKS cluster

on:
  push:
    branches: [main]
  pull_request:
    types: [labeled, opened, reopened, synchronize]

concurrency: deploy-${{ github.ref }}

permissions:
  packages: write
  pull-requests: write

jobs:
  build:
    runs-on: ubuntu-latest
    outputs:
      docker-image-tag: ${{ steps.build-image.outputs.tag }}

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

      - name: Build and push docker image
        id: build-image
        uses: DFE-Digital/github-actions/build-docker-image@add-max-caching-to-build-docker-image
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          context: .
          snyk-token: ${{ secrets.SNYK_TOKEN }}
          max-cache: true

  deploy_review:
    name: Deploy to review environment
    concurrency: deploy_review_${{ github.event.pull_request.number }}
    runs-on: ubuntu-latest
    if: ${{ contains(github.event.pull_request.labels.*.name, 'deploy') }}
    needs: [build]
    environment:
      name: review

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

      - uses: ./.github/actions/deploy-environment
        id: deploy
        with:
          environment: review
          docker-image: ${{ needs.build.outputs.docker-image-tag }}
          azure-credentials: ${{ secrets.AZURE_CREDENTIALS }}
          pull-request-number: ${{ github.event.number }}

      - name: Post comment to Pull Request ${{ github.event.number }}
        if: ${{ github.event_name == 'pull_request' }}
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          header: aks
          message: |
            ### Deployments

            | App               | URL                                                                                      |
            | ----------------- | ---------------------------------------------------------------------------------------- |
            | Track & Pay       | <https://track-and-pay-${{ github.event.number }}.test.teacherservices.cloud>            |
            | School Placements | <https://manage-school-placements-${{ github.event.number }}.test.teacherservices.cloud> |

  deploy_nonprod:
    name: Deploy to ${{ matrix.environment }} environment
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
    concurrency: deploy_${{ matrix.environment }}
    needs: [build]
    strategy:
      max-parallel: 1
      matrix:
        environment: [qa, staging, sandbox] ## add future nonprod environments here
    environment:
      name: ${{ matrix.environment }}
      url: ${{ steps.deploy.outputs.environment_url }}
    outputs:
      environment_url: ${{ steps.deploy.outputs.environment_url }}

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

      - uses: azure/login@v2
        with:
          creds: ${{ secrets.AZURE_CREDENTIALS }}

      - name: Fetch secrets from key vault
        uses: azure/CLI@v2
        id: keyvault-yaml-secret
        with:
          inlineScript: |
            SLACK_WEBHOOK=$(az keyvault secret show --name "SLACK-WEBHOOK" --vault-name "${{ secrets.INF_KEY_VAULT }}" --query "value" -o tsv)
            echo "::add-mask::$SLACK_WEBHOOK"
            echo "SLACK_WEBHOOK=$SLACK_WEBHOOK" >> $GITHUB_OUTPUT

      - uses: ./.github/actions/deploy-environment
        id: deploy
        with:
          environment: ${{ matrix.environment }}
          docker-image: ${{ needs.build.outputs.docker-image-tag }}
          azure-credentials: ${{ secrets.AZURE_CREDENTIALS }}

      - name: Slack Notification
        if: failure()
        uses: rtCamp/action-slack-notify@master
        env:
          SLACK_COLOR: ${{ env.SLACK_FAILURE }}
          SLACK_TITLE: Failure deploying release to ${{ matrix.environment }}
          SLACK_MESSAGE: Failure deploying release to ${{ matrix.environment }} - Docker tag ${{ needs.build.outputs.docker-image-tag }}
          SLACK_WEBHOOK: ${{ steps.keyvault-yaml-secret.outputs.SLACK_WEBHOOK }}

  deploy_prod:
    name: Deploy to production environment
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
    concurrency: deploy_production
    needs: [build, deploy_nonprod]
    environment:
      name: production
      url: ${{ steps.deploy.outputs.environment_url }}
    outputs:
      environment_url: ${{ steps.deploy.outputs.environment_url }}

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

      - uses: azure/login@v2
        with:
          creds: ${{ secrets.AZURE_CREDENTIALS }}

      - name: Fetch secrets from key vault
        uses: azure/CLI@v2
        id: keyvault-yaml-secret
        with:
          inlineScript: |
            SLACK_WEBHOOK=$(az keyvault secret show --name "SLACK-WEBHOOK" --vault-name "${{ secrets.INF_KEY_VAULT }}" --query "value" -o tsv)
            echo "::add-mask::$SLACK_WEBHOOK"
            echo "SLACK_WEBHOOK=$SLACK_WEBHOOK" >> $GITHUB_OUTPUT

      - uses: ./.github/actions/deploy-environment
        id: deploy
        with:
          environment: production
          docker-image: ${{ needs.build.outputs.docker-image-tag }}
          azure-credentials: ${{ secrets.AZURE_CREDENTIALS }}

      - name: Slack Notification
        if: failure()
        uses: rtCamp/action-slack-notify@master
        env:
          SLACK_COLOR: ${{ env.SLACK_FAILURE }}
          SLACK_TITLE: Failure deploying release to production
          SLACK_MESSAGE: Failure deploying release to production - Docker tag ${{ needs.build.outputs.docker-image-tag }}
          SLACK_WEBHOOK: ${{ steps.keyvault-yaml-secret.outputs.SLACK_WEBHOOK }}