publish-container.yml

# SPDX-FileCopyrightText: Stefan Tatschner
#
# SPDX-License-Identifier: CC0-1.0

# https://docs.github.com/en/actions/publishing-packages/publishing-docker-images


name: Create and publish a Container image

on:
  push:
    branches: 
      - master
  release:
    types: [published]

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

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push Debian container image
        id: push_debian
        uses: docker/build-push-action@v6
        with:
          context: containers/debian
          file: containers/debian/Containerfile
          push: true
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/devman:debian
          labels: ${{ steps.meta.outputs.labels }}
      
      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@v1
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/devman:debian
          subject-digest: ${{ steps.push_debian.outputs.digest }}
          push-to-registry: true

      - name: Build and push Arch container image
        id: push_arch
        uses: docker/build-push-action@v6
        with:
          context: containers/arch
          file: containers/arch/Containerfile
          push: true
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/devman:arch
          labels: ${{ steps.meta.outputs.labels }}

      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@v1
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/devman:arch
          subject-digest: ${{ steps.push_rach.outputs.digest }}
          push-to-registry: true