name: nightly
on:
  schedule:
    - cron: '0 0 * * *'
  workflow_dispatch: {}
jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: login into github package registry
        run: echo ${{ secrets.CR_PAT }} | docker login ghcr.io -u $GITHUB_ACTOR --password-stdin
      - name: build nightly docker image
        run: |
          docker build \
          -t "ghcr.io/${GITHUB_REPOSITORY}:${GITHUB_SHA:0:7}" \
          -t "ghcr.io/${GITHUB_REPOSITORY}:nightly" .
      - name: publish nightly image
        run: docker push "ghcr.io/${GITHUB_REPOSITORY}"