name: Container

on:
  push:
    paths-ignore:
    - '.devcontainer/**'
    - 'examples/**'
    - 'lib/**'
    - 'man/**'
    - 'priv/**'
    - '**.md'

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

jobs:
  container:
    name: Container
    runs-on: ubuntu-20.04
    permissions:
      packages: write
    steps:

      - name: Check out repository code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Log in to the Container registry
        uses: docker/login-action@v1.14.1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Get git describe
        id: gitdescribe
        run: echo "::set-output name=ver::$(git describe --tags)"

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v3.8.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          labels: |
            org.opencontainers.image.revision=${{ steps.gitdescribe.outputs.ver }}
            org.opencontainers.image.licenses=GPL-2.0
            org.opencontainers.image.vendor=ProcessOne

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Build and push Docker image
        uses: docker/build-push-action@v2.10.0
        with:
          build-args: |
            VERSION=${{ steps.gitdescribe.outputs.ver }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          context: .github/container
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}