devcontainer-build-and-push.yaml

name: Dev Container Build and Push Image

on:
  push:
    branches: [main]
    paths:
      - .github/workflows/devcontainer-build-and-push.yaml
      - '.github/.devcontainer/**'
  pull_request:
    paths:
      - .github/workflows/devcontainer-build-and-push.yaml
      - '.github/.devcontainer/**'

permissions:
  contents: read
  packages: write

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: linux/amd64,linux/arm64
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Log in to the GitHub Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Install updated skopeo
        # https://github.com/devcontainers/ci/issues/191#issuecomment-1416384710
        run: |
          sudo apt purge buildah golang-github-containers-common podman skopeo
          sudo apt autoremove --purge
          REPO_URL="https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable"
          source /etc/os-release
          sudo sh -c "echo 'deb ${REPO_URL}/x${NAME}_${VERSION_ID}/ /' > /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list"
          sudo wget -qnv https://download.opensuse.org/repositories/devel:kubic:libcontainers:stable/x${NAME}_${VERSION_ID}/Release.key -O Release.key
          sudo apt-key add Release.key
          sudo apt-get update
          sudo apt-get install skopeo -y
      - name: Pre-build dev container image
        uses: devcontainers/ci@v0.3
        with:
          subFolder: .github
          imageName: ghcr.io/${{ github.repository }}/devcontainer
          cacheFrom: ghcr.io/${{ github.repository }}/devcontainer
          platform: linux/amd64,linux/arm64
          push: always