container.yml

name: container build/publish

on:
  push:
    branches:
      - master
    paths:
      - 'docker/**'

  pull_request:
    branches:
      - master
    paths:
      - 'docker/**'

concurrency:
  group: ${{ github.ref }}
  cancel-in-progress: true

jobs:
  # Only build container if there has been a change.
  build-containers:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ghcr.io/ESMCI/cime
          flavor: |
            latest=auto
          tags: |
            type=sha
      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          target: base
          context: docker/
          push: ${{ github.event == 'push' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max