name: Base image

on:
  push:
    branches: [base]

jobs:
  push:
    runs-on: ubuntu-latest
    if: github.event_name == 'push'

    steps:
      - uses: actions/checkout@v2

      - name: Log into Github registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin

      - name: Build base run image
        run: |
          IMAGE_ID=docker.pkg.github.com/${{ github.repository }}/base-run:$GITHUB_SHA
          docker build etc/base-run --tag $IMAGE_ID
          docker push $IMAGE_ID
          echo Pushed new base image $IMAGE_ID

      - name: Build base build image
        run: |
          IMAGE_ID=docker.pkg.github.com/${{ github.repository }}/base-build:$GITHUB_SHA
          docker build etc/base-build --tag $IMAGE_ID
          docker push $IMAGE_ID
          echo Pushed new base build image $IMAGE_ID