on:
  push:
    branches:
      - main

env:
  # https://github.com/hadolint/hadolint/releases
  HADOLINT_VERSION: "2.12.0"

jobs:
  build:
    runs-on: docker
    steps:
      - uses: actions/checkout@v3
      - name: Pull Docker Image for caching
        run: docker pull registry.sikorski.cloud/rogersik/hadolint:latest || exit 0
      - name: Build docker image
        run: |
          docker build . \
            --cache-from registry.sikorski.cloud/rogersik/hadolint:latest \
            --file Dockerfile \
            --build-arg HADOLINT_VERSION=$HADOLINT_VERSION \
            --tag registry.sikorski.cloud/rogersik/hadolint:$HADOLINT_VERSION \
            --tag registry.sikorski.cloud/rogersik/hadolint:"2" \
            --tag registry.sikorski.cloud/rogersik/hadolint:"2.12" \
            --tag registry.sikorski.cloud/rogersik/hadolint:latest
      - name: Push docker image
        run: docker push registry.sikorski.cloud/rogersik/hadolint --all-tags