docker.yaml

name: Build Docker Images

on:
  push:
    branches: [main]
  workflow_dispatch:
  pull_request:
    paths:
      - .docker/**
      - .github/workflows/docker.yaml

  # schedule:
  #   - cron: "0 17 * * 6"


env:
  PUSH: ${{ (github.event_name != 'pull_request') && (github.repository == 'apl-ocean-engineering/arena_camera_ros') }}

jobs:

  docker_build:
    strategy:
      fail-fast: false
      matrix:
        ROS_DISTRO: [noetic]
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3


      # Need the docker-container driver to export to cache
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
        with:
          driver: docker-container
          install: true  # Set "docker build" == "docker buildx"


      - name: Log into registry
        if: env.PUSH == 'true'
        uses: docker/login-action@v2.2.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      #
      # Build CI image
      #
      - name: Docker metadata for CI image
        if: env.PUSH == 'true'
        id: ci_meta
        uses: docker/metadata-action@v4.6.0
        with:
          images: ghcr.io/${{ github.repository }}/ci
          tags: |
            type=raw,value=${{ matrix.ROS_DISTRO }}

      - name: Build and push the build stage "ci"
        if: env.PUSH == 'true'
        uses: docker/build-push-action@v4.1.1
        with:
          context: .docker
          file: .docker/Dockerfile
          build-args: ROS_DISTRO=${{ matrix.ROS_DISTRO }}
          target: ci
          tags: ${{ steps.ci_meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          push: ${{ env.PUSH }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      #
      # Build complete image
      #
      - name: Docker metadata for final image
        if: env.PUSH == 'true'
        id: meta
        uses: docker/metadata-action@v4.6.0
        with:
          images: ghcr.io/${{ github.repository }}
          tags: |
            type=raw,value=${{ matrix.ROS_DISTRO }}-latest
            type=raw,value=latest

      - name: Build and push full image
        uses: docker/build-push-action@v4.1.1
        with:
          context: .docker
          file: .docker/Dockerfile
          build-args: ROS_DISTRO=${{ matrix.ROS_DISTRO }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          push: ${{ env.PUSH }}
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha