build-and-push.yml

name: Build, test and push a Docker image

on:
  push:
    branches:
      - main
    tags:
      - '*'
  pull_request:
    branches:
      - main

jobs:
  build:
    environment: build
    permissions:
      contents: read
      id-token: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Get info
        run: |
          uname -v
          docker info
      - name: Create version.json
        run: |
          # create a version.json per
          # https://github.com/mozilla-services/Dockerflow/blob/master/docs/version_object.md
          printf '{"commit":"%s","version":"%s","source":"%s","build":"%s"}\n' \
          "$GITHUB_SHA" \
          "$GITHUB_REF_NAME" \
          "$GITHUB_SERVER_URL/$GITHUB_REPOSITORY" \
          "$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID" > version.json
      - name: Output version.json
        run: cat version.json
      - name: Build Docker images
        run: make build
      - name: Verify requirements.txt contains correct dependencies
        run: |
          docker compose run --rm --no-deps test-ci bash ./bin/run_verify_reqs.sh
      - name: Run lint check
        run: |
          make .env
          docker compose run --rm --no-deps test-ci bash ./bin/run_lint.sh
      - name: Run Eliot tests
        run: |
          docker compose up -d fakesentry statsd
          docker compose run --rm test-ci bash ./bin/run_test.sh eliot
      - name: Build docs
        run: |
          docker compose run --rm --no-deps test-ci bash make -C docs/ html

      - name: Set Docker image tag to "latest" for updates of the main branch
        if: github.ref == 'refs/heads/main'
        run: |
          echo "IMAGE_TAG=latest" >> "$GITHUB_ENV"
      - name: Set Docker image tag to the git tag for tagged builds
        if: startsWith(github.ref, 'refs/tags/')
        run: |
          echo "IMAGE_TAG=$GITHUB_REF_NAME" >> "$GITHUB_ENV"
      - name: Push the Docker image to GAR
        if: env.IMAGE_TAG != ''
        uses: mozilla-it/deploy-actions/docker-push@main
        with:
          local_image: eliot:build
          image_repo_path: ${{ secrets.DOCKER_IMAGE_PATH }}
          image_tag: ${{ env.IMAGE_TAG }}
          workload_identity_pool_project_number: ${{ secrets.WORKLOAD_IDENTITY_POOL_PROJECT_NUMBER }}
          project_id: ${{ secrets.GCP_PROJECT_ID }}