docker-compose.yml

services:
  redis:
    image: "redis:7"
    networks:
      - transcendence_network
  postgres:
    image: "postgres:16"
    environment:
      - POSTGRES_USER=${POSTGRES_USER}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
      - POSTGRES_DB=${POSTGRES_DB}
      - POSTGRES_HOST=postgres
      - POSTGRES_PORT=5432
    volumes:
      - ${POSTGRES_DATA}:/var/lib/postgresql/data
    networks:
      - transcendence_network
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d postgres -p 5432"]
      interval: 1s
      timeout: 15s
      retries: 5
      start_period: 10s
  django:
    build: ./src/backend/django
    # mind that manage.py is in the tr_django folder 
    command: sh -c "echo Error the command of django must be overwritten"
    env_file:
      - ./.env
    # volumes:
      # volumes must be defined in override (dev) and production(prod) file
    depends_on:
      redis:
        condition: service_started
      postgres:
        condition: service_healthy
    environment:
      - REDIS_URL=${REDIS_URL}
      - ALLOWED_HOSTS=${ALLOWED_HOSTS}
      - SECRET_KEY=${SECRET_KEY}
      - ENVIRONMENT=production
      - DATABASE_URL=${DATABASE_URL}
      # postgres is the value of the service name in the docker compose file
      # it means it will work only if postgres service is up and running
      # and it will not work with a postgres running on the host machine
      - POSTGRES_HOST=postgres
      - POSTGRES_PORT=5432
    networks:
      - transcendence_network
    stop_grace_period: 1s  # SIGKILL after 1s
  nginx:
    build:
      # we need the context to be ./src instad of ./src/nginx to so that it can see easily the frontend folder
      context: ./src/
      dockerfile: nginx/Dockerfile
      args:
        ENVIRONMENT: ${ENVIRONMENT} # Pass the environment as a build argument
    volumes:
      - ./src/frontend/:/usr/share/nginx/html
      - ./src/nginx/logs:/var/log/nginx
      - ./media:/var/www/media
      - ./ssl-keys:/etc/letsencrypt/live/.000031.xyz:ro
    # ports:
      # due to the way multiple docker compose files are 
      # merged (e.g. using docker-compose.override.yml) the
      # ports are defined in the more concrete dev/prod files
    environment:
      - ENVIRONMENT=production
      # - NGINX_ENTRYPOINT_QUIET_LOGS=0 # to enable more verbose logging
    depends_on:
      - django
    networks:
      - transcendence_network
    command: ["nginx", "-g", "daemon off;"]

networks:
  transcendence_network:
    driver: bridge