# Document Translation API - Production Docker Compose
# Usage: docker-compose -f docker-compose.yml -f docker-compose.prod.yml up -d

version: '3.8'

services:
  # ===========================================
  # PostgreSQL Database
  # ===========================================
  postgres:
    image: postgres:16-alpine
    container_name: translate-postgres
    restart: unless-stopped
    environment:
      - POSTGRES_USER=${POSTGRES_USER:-translate}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-translate_secret_123}
      - POSTGRES_DB=${POSTGRES_DB:-translate_db}
      - PGDATA=/var/lib/postgresql/data/pgdata
    volumes:
      - postgres_data:/var/lib/postgresql/data
    networks:
      - translate-network
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-translate} -d ${POSTGRES_DB:-translate_db}"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s
    deploy:
      resources:
        limits:
          memory: 512M
        reservations:
          memory: 128M

  # ===========================================
  # Backend API Service
  # ===========================================
  backend:
    build:
      context: .
      dockerfile: docker/backend/Dockerfile
    container_name: translate-backend
    restart: unless-stopped
    environment:
      # Database
      - DATABASE_URL=postgresql+asyncpg://${POSTGRES_USER:-translate}:${POSTGRES_PASSWORD:-translate_secret_123}@postgres:5432/${POSTGRES_DB:-translate_db}
      # Redis
      - REDIS_URL=redis://redis:6379/0
      # Translation Services
      - TRANSLATION_SERVICE=${TRANSLATION_SERVICE:-ollama}
      - OLLAMA_BASE_URL=${OLLAMA_BASE_URL:-http://ollama:11434}
      - OLLAMA_MODEL=${OLLAMA_MODEL:-llama3}
      - DEEPL_API_KEY=${DEEPL_API_KEY:-}
      - OPENAI_API_KEY=${OPENAI_API_KEY:-}
      - OPENROUTER_API_KEY=${OPENROUTER_API_KEY:-}
      # File Limits
      - MAX_FILE_SIZE_MB=${MAX_FILE_SIZE_MB:-50}
      # Rate Limiting
      - RATE_LIMIT_REQUESTS_PER_MINUTE=${RATE_LIMIT_REQUESTS_PER_MINUTE:-60}
      - RATE_LIMIT_TRANSLATIONS_PER_MINUTE=${RATE_LIMIT_TRANSLATIONS_PER_MINUTE:-10}
      # Admin Auth (CHANGE IN PRODUCTION!)
      - ADMIN_USERNAME=${ADMIN_USERNAME}
      - ADMIN_PASSWORD=${ADMIN_PASSWORD}
      # Security
      - JWT_SECRET=${JWT_SECRET}
      - CORS_ORIGINS=${CORS_ORIGINS:-https://yourdomain.com}
      # Stripe Payments
      - STRIPE_SECRET_KEY=${STRIPE_SECRET_KEY:-}
      - STRIPE_WEBHOOK_SECRET=${STRIPE_WEBHOOK_SECRET:-}
      - STRIPE_STARTER_PRICE_ID=${STRIPE_STARTER_PRICE_ID:-}
      - STRIPE_PRO_PRICE_ID=${STRIPE_PRO_PRICE_ID:-}
      - STRIPE_BUSINESS_PRICE_ID=${STRIPE_BUSINESS_PRICE_ID:-}
    volumes:
      - uploads_data:/app/uploads
      - outputs_data:/app/outputs
      - logs_data:/app/logs
    networks:
      - translate-network
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 10s
    deploy:
      resources:
        limits:
          memory: 2G
        reservations:
          memory: 512M

  # ===========================================
  # Frontend Web Service
  # ===========================================
  frontend:
    build:
      context: .
      dockerfile: docker/frontend/Dockerfile
      args:
        - NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL:-http://backend:8000}
    container_name: translate-frontend
    restart: unless-stopped
    environment:
      - NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL:-http://backend:8000}
    networks:
      - translate-network
    depends_on:
      backend:
        condition: service_healthy
    deploy:
      resources:
        limits:
          memory: 512M
        reservations:
          memory: 128M

  # ===========================================
  # Nginx Reverse Proxy
  # ===========================================
  nginx:
    image: nginx:alpine
    container_name: translate-nginx
    restart: unless-stopped
    ports:
      - "${HTTP_PORT:-80}:80"
      - "${HTTPS_PORT:-443}:443"
    volumes:
      - ./docker/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
      - ./docker/nginx/conf.d:/etc/nginx/conf.d:ro
      - ./docker/nginx/ssl:/etc/nginx/ssl:ro
      - nginx_cache:/var/cache/nginx
    networks:
      - translate-network
    depends_on:
      - frontend
      - backend
    healthcheck:
      test: ["CMD", "nginx", "-t"]
      interval: 30s
      timeout: 10s
      retries: 3

  # ===========================================
  # Ollama (Optional - Local LLM)
  # ===========================================
  ollama:
    image: ollama/ollama:latest
    container_name: translate-ollama
    restart: unless-stopped
    volumes:
      - ollama_data:/root/.ollama
    networks:
      - translate-network
    deploy:
      resources:
        reservations:
          devices:
            - driver: nvidia
              count: all
              capabilities: [gpu]
    profiles:
      - with-ollama

  # ===========================================
  # Redis (Caching & Sessions)
  # ===========================================
  redis:
    image: redis:7-alpine
    container_name: translate-redis
    restart: unless-stopped
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru
    volumes:
      - redis_data:/data
    networks:
      - translate-network
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5

  # ===========================================
  # Prometheus (Optional - Monitoring)
  # ===========================================
  prometheus:
    image: prom/prometheus:latest
    container_name: translate-prometheus
    restart: unless-stopped
    volumes:
      - ./docker/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml:ro
      - prometheus_data:/prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--web.enable-lifecycle'
    networks:
      - translate-network
    profiles:
      - with-monitoring

  # ===========================================
  # Grafana (Optional - Dashboards)
  # ===========================================
  grafana:
    image: grafana/grafana:latest
    container_name: translate-grafana
    restart: unless-stopped
    environment:
      - GF_SECURITY_ADMIN_USER=${GRAFANA_USER:-admin}
      - GF_SECURITY_ADMIN_PASSWORD=${GRAFANA_PASSWORD:-admin}
      - GF_USERS_ALLOW_SIGN_UP=false
    volumes:
      - grafana_data:/var/lib/grafana
      - ./docker/grafana/dashboards:/etc/grafana/provisioning/dashboards:ro
    networks:
      - translate-network
    depends_on:
      - prometheus
    profiles:
      - with-monitoring

# ===========================================
# Networks
# ===========================================
networks:
  translate-network:
    driver: bridge
    ipam:
      config:
        - subnet: 172.28.0.0/16

# ===========================================
# Volumes
# ===========================================
volumes:
  postgres_data:
    driver: local
  uploads_data:
    driver: local
  outputs_data:
    driver: local
  logs_data:
    driver: local
  nginx_cache:
    driver: local
  ollama_data:
    driver: local
  redis_data:
    driver: local
  prometheus_data:
    driver: local
  grafana_data:
    driver: local