Microservicios

# Dockerfile
FROM python:3.11-slim

# Establecer directorio de trabajo
WORKDIR /app

# Instalar dependencias del sistema
RUN apt-get update && apt-get install -y \
    gcc \
    default-libmysqlclient-dev \
    pkg-config \
    && rm -rf /var/lib/apt/lists/*

# Copiar requirements y instalar dependencias Python
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copiar código de la aplicación
COPY . .

# Crear usuario no-root
RUN adduser --disabled-password --gecos '' appuser && \
    chown -R appuser:appuser /app
USER appuser

# Exponer puerto
EXPOSE 8000

# Variables de entorno
ENV PYTHONPATH=/app
ENV DJANGO_SETTINGS_MODULE=config.settings.production

# Comando de inicio
CMD ["gunicorn", "--bind", "0.0.0.0:8000", "config.wsgi:application"]

# docker-compose.yml
version: '3.8'

services:
  # API Gateway
  api-gateway:
    build: ./api-gateway
    ports:
      - "80:80"
    depends_on:
      - user-service
      - order-service
      - payment-service
    environment:
      - USER_SERVICE_URL=http://user-service:8000
      - ORDER_SERVICE_URL=http://order-service:8001
      - PAYMENT_SERVICE_URL=http://payment-service:8002
    networks:
      - microservices-network

  # User Service
  user-service:
    build: ./user-service
    ports:
      - "8000:8000"
    environment:
      - DATABASE_URL=postgresql://user:password@user-db:5432/userdb
      - REDIS_URL=redis://redis:6379/0
    depends_on:
      - user-db
      - redis
    networks:
      - microservices-network

  # Order Service
  order-service:
    build: ./order-service
    ports:
      - "8001:8000"
    environment:
      - DATABASE_URL=postgresql://order:password@order-db:5432/orderdb
      - USER_SERVICE_URL=http://user-service:8000
    depends_on:
      - order-db
    networks:
      - microservices-network

  # Payment Service
  payment-service:
    build: ./payment-service
    ports:
      - "8002:8000"
    environment:
      - DATABASE_URL=postgresql://payment:password@payment-db:5432/paymentdb
      - STRIPE_SECRET_KEY=${STRIPE_SECRET_KEY}
    depends_on:
      - payment-db
    networks:
      - microservices-network

  # Databases
  user-db:
    image: postgres:15
    environment:
      - POSTGRES_DB=userdb
      - POSTGRES_USER=user
      - POSTGRES_PASSWORD=password
    volumes:
      - user_data:/var/lib/postgresql/data
    networks:
      - microservices-network

  order-db:
    image: postgres:15
    environment:
      - POSTGRES_DB=orderdb
      - POSTGRES_USER=order
      - POSTGRES_PASSWORD=password
    volumes:
      - order_data:/var/lib/postgresql/data
    networks:
      - microservices-network

  payment-db:
    image: postgres:15
    environment:
      - POSTGRES_DB=paymentdb
      - POSTGRES_USER=payment
      - POSTGRES_PASSWORD=password
    volumes:
      - payment_data:/var/lib/postgresql/data
    networks:
      - microservices-network

  # Redis para caché
  redis:
    image: redis:7-alpine
    networks:
      - microservices-network

volumes:
  user_data:
  order_data:
  payment_data:

networks:
  microservices-network:
    driver: bridge