containers.yml

name: Containers

on:
  push:
  pull_request:
  workflow_dispatch:
  schedule:
  - cron: '0 0 * * 0' # weekly

jobs:

  Image:
    runs-on: ubuntu-latest
    env:
      DOCKER_BUILDKIT: 1
    steps:

      - name: 🧰 Repository Checkout
        uses: actions/checkout@v3
        with:
          submodules: 'true'
  
      - name: 🔧 Generate image name
        id: generate
        run: |
          REPO='${{ github.repository }}'
          echo "::set-output name=image::ghcr.io/${REPO,,}/ubuntu/focal/build"

      - name: ⛴️ Build container image
        run: docker build -t ${{ steps.generate.outputs.image }} -f Dockerfile .

      - name: 🛰️ Push container image
        if: github.event_name != 'pull_request'
        uses: pyTooling/Actions/with-post-step@r0
        with:
          main: |
            echo '${{ github.token }}' | docker login ghcr.io -u GitHub-Actions --password-stdin
            docker push ${{ steps.generate.outputs.image }}
          post: docker logout ghcr.io