docker-image.yml

name: Docker Image CI

on:
  push:
    branches: [ master, develop ]

env:
  PLATFORMS: linux/amd64,linux/arm/v7,linux/arm64

jobs:

  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
    # https://github.com/docker/setup-qemu-action
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v1
      with:
        platforms: ${{ env.PLATFORMS }}
    # https://github.com/docker/setup-buildx-action
    - name: Set up Docker Buildx
      id: buildx
      uses: docker/setup-buildx-action@v1
      with:
        install: true
    - name: Docker meta
      id: meta
      uses: docker/metadata-action@v3
      with:
        images: ${{ github.repository_owner }}/medusa
        # tag with master or develop
        tags: |
          type=ref,event=branch
        # also tag master as latest
        flavor: latest=${{ github.ref_name == 'master' }}
    - name: Log into Dockerhub
      uses: docker/login-action@v1
      with:
        username: ${{ secrets.DOCKER_USER }}
        password: ${{ secrets.DOCKER_PASSWORD }}
    - name: Build Docker image
      uses: docker/build-push-action@v2
      with:
        context: .
        file: Dockerfile
        platforms: ${{ env.PLATFORMS }}
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        push: true
        pull: true
        build-args: |
          GIT_COMMIT=${{ github.sha }}
          GIT_BRANCH=${{ github.ref_name }}
          BUILD_DATE=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.created'] }}