name: Docker Image CI

on:
  push:
    tags:
      - n8n@*

jobs:

  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v1
    - name: Get the version
      id: vars
      run: echo ::set-output name=tag::$(echo ${GITHUB_REF:14})
    - name: Log in to registry
      uses: actions/docker/login@master
      env:
        DOCKER_REGISTRY_URL: registry.hub.docker.com
        DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
        DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
    - name: Build the Docker image of version
      run: docker build --build-arg N8N_VERSION=${{steps.vars.outputs.tag}} -t n8nio/n8n:${{steps.vars.outputs.tag}} docker/images/n8n
    - name: Push Docker image of version
      run: docker push n8nio/n8n:${{steps.vars.outputs.tag}}
    - name: Tag Docker image with latest
      run: docker tag n8nio/n8n:${{steps.vars.outputs.tag}} n8nio/n8n:latest
    - name: Push docker images of latest
      run: docker push n8nio/n8n:latest