docker-publish.yml

name: Publish Docker image

on:
  push:
    # Publish `main` as Docker `latest` image.
    branches:
      - main

    # Publish `v1.2.3` tags as releases.
    tags:
      - v*

  workflow_dispatch:
    # Allow manually triggered builds too.

env:
  PYTHON_IMAGE_NAME: python-backend
  JAVA_IMAGE_NAME: java-backend
  PYTHON_ALERTS_IMAGE_NAME: python-alerts-backend
  AEROAPI_KEY: dummy
  AEROAPPS_VERSION: latest

jobs:
  # Push image to GitHub Packages.
  # See also https://docs.docker.com/docker-hub/builds/
  push:

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

    steps:
      - uses: actions/checkout@v2

      - name: Build images
        run: |
          # Strip git ref prefix from version
          AEROAPPS_VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

          # Use Docker `latest` tag convention
          [ "$AEROAPPS_VERSION" == "main" ] && AEROAPPS_VERSION=latest

          echo "AEROAPPS_VERSION=$AEROAPPS_VERSION" >> $GITHUB_ENV

          docker-compose build --parallel $JAVA_IMAGE_NAME $PYTHON_IMAGE_NAME
          docker-compose -f docker-compose-alerts.yml build $PYTHON_ALERTS_IMAGE_NAME

      - name: Log into registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ secrets.GHCR_USER }} --password-stdin

      - name: Push images
        run: |
          docker-compose push $JAVA_IMAGE_NAME $PYTHON_IMAGE_NAME
          docker-compose -f docker-compose-alerts.yml push $PYTHON_ALERTS_IMAGE_NAME