build_and_push.yml

name: Build and Push to GHCR 

on:
  workflow_dispatch:
    inputs:
      tag:
        description: "Docker image tag"
        required: true
        default: "latest"

env:
  REGISTRY: ghcr.io

jobs:
  
  create-config:
    runs-on: ubuntu-latest

    steps:
      - name: Create config directory
        run: mkdir -p config

      
      - name: Create main config file (django.cfg)
        run: |
          echo "DEBUG=${{ secrets.DEBUG }}" >> config/django.cfg
          echo "SECRET_KEY=${{ secrets.SECRET_KEY }}" >> config/django.cfg
          echo "DJANGO_ALLOWED_HOSTS=${{ secrets.DJANGO_ALLOWED_HOSTS }}" >> config/django.cfg
          echo "SQL_ENGINE=${{ secrets.SQL_ENGINE }}" >> config/django.cfg
          echo "DATABASE=${{ secrets.DATABASE }}" >> config/django.cfg
          echo "POSTGRES_DB=${{ secrets.POSTGRES_DB }}" >> config/django.cfg
          echo "POSTGRES_USER=${{ secrets.POSTGRES_USER }}" >> config/django.cfg
          echo "POSTGRES_PASSWORD=${{ secrets.POSTGRES_PASSWORD }}" >> config/django.cfg
          echo "SQL_HOST=${{ secrets.SQL_HOST }}" >> config/django.cfg
          echo "SQL_PORT=${{ secrets.SQL_PORT }}" >> config/django.cfg
          echo "GOLD_POSTGRES_DB=${{ secrets.GOLD_POSTGRES_DB }}" >> config/django.cfg
          echo "GOLD_POSTGRES_USER=${{ secrets.GOLD_POSTGRES_USER }}" >> config/django.cfg
          echo "GOLD_POSTGRES_PASSWORD=${{ secrets.GOLD_POSTGRES_PASSWORD }}" >> config/django.cfg
          echo "GOLD_SQL_HOST=${{ secrets.GOLD_SQL_HOST }}" >> config/django.cfg
          echo "GOLD_SQL_PORT=${{ secrets.GOLD_SQL_PORT }}" >> config/django.cfg
          echo "EMAIL=${{ secrets.EMAIL }}" >> config/django.cfg
          echo "DOMAIN=${{ secrets.DOMAIN }}" >> config/django.cfg

  
      - name: Creation of config file for Postgres (db.cfg)
        run: |
          echo "POSTGRES_DB=${{ secrets.POSTGRES_DB }}" >> config/db.cfg
          echo "POSTGRES_USER=${{ secrets.POSTGRES_USER }}" >> config/db.cfg
          echo "POSTGRES_PASSWORD=${{ secrets.POSTGRES_PASSWORD }}" >> config/db.cfg
          echo "SQL_HOST=${{ secrets.SQL_HOST }}" >> config/db.cfg
          echo "SQL_PORT=${{ secrets.SQL_PORT }}" >> config/db.cfg

      
      - name: Creation of config file for Gold Postgres (gold.cfg)
        run: |
          echo "GOLD_POSTGRES_DB=${{ secrets.GOLD_POSTGRES_DB }}" >> config/gold.cfg
          echo "GOLD_POSTGRES_USER=${{ secrets.GOLD_POSTGRES_USER }}" >> config/gold.cfg
          echo "GOLD_POSTGRES_PASSWORD=${{ secrets.GOLD_POSTGRES_PASSWORD }}" >> config/gold.cfg
          echo "GOLD_SQL_HOST=${{ secrets.GOLD_SQL_HOST }}" >> config/gold.cfg
          echo "GOLD_SQL_PORT=${{ secrets.GOLD_SQL_PORT }}" >> config/gold.cfg

    
      - name: Save config files as artifact
        uses: actions/upload-artifact@v4
        with:
          name: config-files
          path: ./config/


  build_and_push:
    runs-on: ubuntu-latest
    needs: create-config  

    steps:
      
      - name: Checkout the repo
        uses: actions/checkout@v4
        with:
          submodules: recursive
          token: ${{ secrets.GITHUB_TOKEN }}

      
      - name: Download configuration files
        uses: actions/download-artifact@v4
        with:
          name: config-files
          path: ./config/

    
      - name: Verify and memorize path of download
        run: echo "ARTIFACT_PATH=$(pwd)/config/" >> $GITHUB_ENV

      
      - name: Display content of configuration files
        run: |
          cat ${{ env.ARTIFACT_PATH }}django.cfg
          cat ${{ env.ARTIFACT_PATH }}db.cfg
          cat ${{ env.ARTIFACT_PATH }}gold.cfg

    
      - name: Build Docker image using Docker Compose
        run: docker compose -f docker-compose.dev.yml build

      
      - name: Verify Docker image creation
        run: docker images

      
      - name: Set lower case owner and repo names
        run: |
          echo "OWNER_LC=${{ github.repository_owner }}" >>${GITHUB_ENV}
          echo "REPO_NAME_LC=${{ github.repository }}" >>${GITHUB_ENV}

      
      - name: Tag image for GHCR
        run: |
          docker tag webapp_django ${{ env.REGISTRY }}/${OWNER_LC}/${REPO_NAME_LC}:${{ inputs.tag }}

      
      - name: Log in to GitHub Container Registry (GHCR)
        run: echo ${{ secrets.GHCR_TOKEN }} | docker login ghcr.io -u ${{ github.actor }} --password-stdin

      
      - name: Push image to GHCR
        run: |
          docker push ${{ env.REGISTRY }}/${OWNER_LC}/${REPO_NAME_LC}:${{ inputs.tag }}