docker-publish.yml

name: Docker publish

on:
  push:
    # Publish `main` as Docker `latest` image.
    branches:
      - main

    # Publish `v1.2.3` tags as releases.
    tags:
      - v*

  # Run tests for any PRs.
  pull_request:

env:
  IMAGE_NAME: tweet-delete
  DOCKERHUB_ACCOUNT: brndnmtthws
  DOCKER_BUILDKIT: 1

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

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ["3.8", "3.9", "3.10", "3.11"]
        poetry-version: ["1.2.2"]

    steps:
      - uses: actions/checkout@v3

      - name: Set up Python ${{ matrix.python-version }}
        id: setup-python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}

      - name: Cache ~/.cache/pip
        uses: actions/cache@v3
        with:
          path: ~/.cache/pip
          key: python-${{ steps.setup-python.outputs.python-version }}
      - name: Cache ~/.cache/pypoetry
        uses: actions/cache@v3
        with:
          path: ~/.cache/pypoetry
          key: python-${{ steps.setup-python.outputs.python-version }}-poetry-${{ hashFiles('poetry.lock') }}
      - name: Install poetry
        uses: abatilo/actions-poetry@v2
        with:
          poetry-version: ${{ matrix.poetry-version }}
      - name: Install dependencies
        run: |
          poetry install
      - name: Test with pytest
        run: |
          poetry run pytest-gevent

  build-and-push:
    needs: test
    runs-on: ubuntu-latest
    if: github.event_name == 'push'

    steps:
      - uses: actions/checkout@v3

      - name: Set up Python ${{ matrix.python-version }}
        id: setup-python
        uses: actions/setup-python@v4
        with:
          python-version: "3.10"

      - name: Cache ~/.cache/pip
        uses: actions/cache@v3
        with:
          path: ~/.cache/pip
          key: python-${{ steps.setup-python.outputs.python-version }}
      - name: Cache ~/.cache/pypoetry
        uses: actions/cache@v3
        with:
          path: ~/.cache/pypoetry
          key: python-${{ steps.setup-python.outputs.python-version }}-poetry-${{ hashFiles('poetry.lock') }}

      - name: Install poetry
        uses: abatilo/actions-poetry@v2
        with:
          poetry-version: "1.2.2"
      - name: Install dependencies
        run: |
          poetry install --only main --no-root
      - name: Build package
        run: |
          poetry build

      # 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@main
        with:
          cosign-release: "v1.4.0"

      - name: Set up QEMU
        id: qemu
        uses: docker/setup-qemu-action@v2
        with:
          image: tonistiigi/binfmt:latest
          platforms: all

      # Workaround: https://github.com/docker/build-push-action/issues/461
      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v2

      # Login against a Docker registry except on PR
      # https://github.com/docker/login-action
      - name: Login to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          username: ${{ github.actor }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ github.actor }}/${{ env.IMAGE_NAME }}

      # 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@v3
        with:
          context: .
          platforms: linux/amd64,linux/arm64/v8
          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
          no-cache: ${{ startsWith(github.ref, 'refs/tags/') }}