build-and-push-image.yaml

name: Docker Image Build
on:
  push:
    tags:
      - v*
  pull_request:
    branches: ["main"]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  pre-commit:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: ./.github/actions/python-poetry
      - uses: pre-commit/action@v2.0.3

  run-tests:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: ./.github/actions/python-poetry
      - run: poetry run pytest
        env:
          TEST_MODE: "1"

  build-and-push:
    permissions:
      contents: read
      packages: write
    runs-on: ubuntu-latest
    needs: [pre-commit, run-tests]
    steps:
      - name: Checkout repo
        uses: actions/checkout@v3

      # Set image tag to git tag, or commit hash for pull request
      - name: Set IMAGE_TAG
        run: |
          if [ "${{ github.event_name }}" == "push" ]; then
            echo "IMAGE_TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
          else
            echo "IMAGE_TAG=${{ github.sha }}" >> $GITHUB_ENV
          fi

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=${{ env.IMAGE_TAG }}
            type=raw,value=${{ github.sha }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}