publish.yml

name: Publish Docker image

on:
  release:
    types: [published]
  push:
    branches: [master, develop]
    tags:
      - 'v*'

jobs:
  push_to_registry:
    name: Push metadata submitter Docker image to Docker Hub
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repo
        uses: actions/checkout@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: cscfi/metadata-submitter
          tags: |
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'master') }}
            type=raw,value=stage,enable=${{ github.ref == format('refs/heads/{0}', 'develop') }}
            type=ref,event=tag

      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ./Dockerfile
          push: ${{ github.event_name != 'pull_request' }}
          build-args: |
            BRANCH=${{ github.ref_name == 'master' && 'master' || 'develop' }}
          tags: ${{ steps.meta.outputs.tags }}
          cache-from: type=registry,ref=cscfi/metadata-submitter:latest
          cache-to: type=inline
          labels: |
            org.opencontainers.image.source=${{ github.event.repository.clone_url }}
            org.opencontainers.image.created=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
            org.opencontainers.image.revision=${{ github.sha }}