1.build-container.yml

name: build-container

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

on:
  push:
    branches:
      - master
  pull_request:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
# permissions:
#   pull-requests: write

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write
      id-token: write
      attestations: write
    
    steps:
      - uses: actions/checkout@v4
   
      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - uses: docker/setup-buildx-action@v3

      # https://docs.docker.com/build/cache/backends/gha/#using-dockerbuild-push-action
      - name: Build and push
        id: push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          cache-from: type=gha
          cache-to: type=gha,mode=max
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      # https://github.com/actions/attest-build-provenance
      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@v1
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
          subject-digest: ${{ steps.push.outputs.digest }}
          # TODO: fix this / Error: Invalid image name: ghcr.io/H-Software/isp-net-adminator
          # temporary disabled
          push-to-registry: false