docker-compose.yml

services:
  # 🐘 Postgres Database (SQL)
  postgres_db:
    image: postgres:15
    container_name: trend_postgres
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: ${DB_PASSWORD}
      POSTGRES_DB: reddit_db
    ports:
      - "5433:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data

  # 🦊 Redis Cache & Queue Broker
  redis:
    image: redis:7-alpine
    container_name: trend_redis
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data

  # 🌐 API Gateway (Nginx)
  api_gateway:
    image: nginx:1.25-alpine
    container_name: trend_gateway
    ports:
      - "8080:80"
    volumes:
      - ./docker/nginx.conf:/etc/nginx/nginx.conf:ro
    # Needs host.docker.internal to route back to local native FastAPI on host machine
    extra_hosts:
      - "host.docker.internal:host-gateway"

volumes:
  postgres_data:
  redis_data: