docker-image-base.yml

name: Docker base images

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

on:
  workflow_dispatch:
  push:
    branches: [ "main" ]
    paths: ['devcontainers/**/Dockerfile.base']
  pull_request:
    branches: [ "main" ]
    paths: ['devcontainers/**/Dockerfile.base']

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}


jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          # - dockerfile: ./devcontainers/melodic/Dockerfile.base
          #   image: ghcr.io/bumblebeeas/ros-devcontainer
          #   tag: |
          #     ghcr.io/bumblebeeas/ros-devcontainer:melodic-base
          #   context: ./
          - dockerfile: ./devcontainers/noetic/Dockerfile.base
            image: ghcr.io/bumblebeeas/ros-devcontainer
            tag: |
              ghcr.io/bumblebeeas/ros-devcontainer:noetic-base
            context: ./
          - dockerfile: ./devcontainers/humble/Dockerfile.base
            image: ghcr.io/bumblebeeas/ros-devcontainer
            tag: |
              ghcr.io/bumblebeeas/ros-devcontainer:humble-base
            context: ./

    permissions:
      contents: read
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      # Install the cosign tool except on PR
      # https://github.com/sigstore/cosign-installer
      - name: Install cosign
        if: github.event_name != 'pull_request'
        uses: sigstore/cosign-installer@v3.4.0
        with:
          # cosign release version to be installed
          cosign-release: v2.2.3 # optional, default is v2.2.3

      # Workaround: https://github.com/docker/build-push-action/issues/461
      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf

      # Login against a Docker registry except on PR
      # https://github.com/docker/login-action
      - name: Log into registry ${{ env.REGISTRY }}
        if: github.event_name != 'pull_request'
        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          

      # Build and push Docker image with Buildx (don't push on PR)
      # https://github.com/docker/build-push-action
      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
        with:
          context: ${{ matrix.context }}
          file: ${{ matrix.dockerfile }}
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ matrix.tag }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max