docker-compose.yml

services:
  db:
    image: postgres:15-alpine
    volumes:
      - postgres_data:/var/lib/postgresql/data
    environment:
      POSTGRES_DB: ${DB_NAME}
      POSTGRES_USER: ${DB_USER}
      POSTGRES_PASSWORD: ${DB_PASSWORD}
    ports:
      # Mapeamento: PORTA_DO_LINUX:PORTA_DO_CONTAINER
      - "${DB_PORT_HOST}:5432"
    networks:
      - campushare_network

  backend:
    build: ./backend
    # O comando runserver interna usa sempre a porta 8000 do container
    command: python manage.py runserver 0.0.0.0:8000
    volumes:
      - ./backend:/code
    ports:
      - "8000:8000"
    environment:
      SECRET_KEY: ${SECRET_KEY}
      DB_NAME: ${DB_NAME}
      DB_USER: ${DB_USER}
      DB_PASSWORD: ${DB_PASSWORD}
      DB_HOST: db
      # O Django se conecta na porta INTERNA da rede Docker
      DB_PORT: ${DB_PORT_INTERNAL}
    depends_on:
      - db
    networks:
      - campushare_network

networks:
  campushare_network:
    driver: bridge

volumes:
  postgres_data: