docker/docker-compose.yml

version: '3.8'

services:
  # Main application service
  app:
    build:
      context: ..
      dockerfile: docker/Dockerfile
      args:
        - BUILDKIT_INLINE_CACHE=1
    image: voice-translator:latest
    container_name: voice-translator-app
    ports:
      - "${PORT:-8000}:8000"
      - "${METRICS_PORT:-9090}:9090"
    volumes:
      # Persist models (if you want to update them without rebuilding)
      - voice-models:/app/models
      # Persist logs
      - voice-logs:/app/logs
      # Optional: Persist data
      - voice-data:/app/data
    environment:
      # Server Configuration
      - HOST=0.0.0.0
      - PORT=${PORT:-8000}
      - WORKERS=${WORKERS:-4}
      - LOG_LEVEL=${LOG_LEVEL:-INFO}
      - ENVIRONMENT=production
      - DEBUG=${DEBUG:-False}
      
      # Audio Configuration
      - AUDIO_SAMPLE_RATE=${AUDIO_SAMPLE_RATE:-16000}
      - AUDIO_CHANNELS=${AUDIO_CHANNELS:-1}
      - AUDIO_CHUNK_SIZE=${AUDIO_CHUNK_SIZE:-4096}
      
      # Connection Limits
      - MAX_CONNECTIONS=${MAX_CONNECTIONS:-100}
      - MAX_CONNECTIONS_PER_IP=${MAX_CONNECTIONS_PER_IP:-10}
      - MAX_USERS_PER_ROOM=${MAX_USERS_PER_ROOM:-10}
      
      # Rate Limiting
      - MAX_REQUESTS_PER_MINUTE=${MAX_REQUESTS_PER_MINUTE:-100}
      - MAX_MESSAGES_PER_SECOND=${MAX_MESSAGES_PER_SECOND:-10}
      
      # Worker Pools
      - TRANSLATION_WORKERS=${TRANSLATION_WORKERS:-4}
      - TTS_WORKERS=${TTS_WORKERS:-2}
      
      # Security (set these in production!)
      - ENABLE_AUTH=${ENABLE_AUTH:-false}
      - JWT_SECRET_KEY=${JWT_SECRET_KEY:-change-this-in-production}
      - API_KEYS=${API_KEYS:-}
      
      # Model Paths
      - VOSK_MODEL_BASE_PATH=/app/models/stt
      - ARGOS_MODEL_PATH=/app/models/translate/argos-packages
      - COQUI_MODEL_PATH=/app/models/tts/coqui-models
      
      # Performance
      - ENABLE_GPU=${ENABLE_GPU:-false}
      - BUFFER_SIZE=${BUFFER_SIZE:-8192}
      - QUEUE_SIZE=${QUEUE_SIZE:-100}
      
      # Monitoring
      - ENABLE_METRICS=${ENABLE_METRICS:-true}
      - METRICS_PORT=${METRICS_PORT:-9090}
    
    # Resource limits (adjust based on your needs)
    deploy:
      resources:
        limits:
          cpus: '4'
          memory: 8G
        reservations:
          cpus: '2'
          memory: 4G
    
    # Health check
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 60s
    
    restart: unless-stopped
    networks:
      - voice-translator-network
    
    # Logging configuration
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  # Optional: Redis for caching and session management
  redis:
    image: redis:7-alpine
    container_name: voice-translator-redis
    ports:
      - "${REDIS_PORT:-6379}:6379"
    volumes:
      - redis-data:/data
    command: redis-server --appendonly yes --maxmemory 512mb --maxmemory-policy allkeys-lru
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
    restart: unless-stopped
    networks:
      - voice-translator-network
    logging:
      driver: "json-file"
      options:
        max-size: "5m"
        max-file: "2"

  # Optional: Nginx reverse proxy for load balancing
  # nginx:
  #   image: nginx:alpine
  #   container_name: voice-translator-nginx
  #   ports:
  #     - "80:80"
  #     - "443:443"
  #   volumes:
  #     - ./nginx.conf:/etc/nginx/nginx.conf:ro
  #     - ./ssl:/etc/nginx/ssl:ro
  #   depends_on:
  #     - app
  #   restart: unless-stopped
  #   networks:
  #     - voice-translator-network

  # Optional: Prometheus for monitoring
  # prometheus:
  #   image: prom/prometheus:latest
  #   container_name: voice-translator-prometheus
  #   ports:
  #     - "9091:9090"
  #   volumes:
  #     - ./prometheus.yml:/etc/prometheus/prometheus.yml:ro
  #     - prometheus-data:/prometheus
  #   command:
  #     - '--config.file=/etc/prometheus/prometheus.yml'
  #     - '--storage.tsdb.path=/prometheus'
  #   restart: unless-stopped
  #   networks:
  #     - voice-translator-network

  # Optional: Grafana for visualization
  # grafana:
  #   image: grafana/grafana:latest
  #   container_name: voice-translator-grafana
  #   ports:
  #     - "3000:3000"
  #   volumes:
  #     - grafana-data:/var/lib/grafana
  #   environment:
  #     - GF_SECURITY_ADMIN_PASSWORD=${GRAFANA_PASSWORD:-admin}
  #   restart: unless-stopped
  #   networks:
  #     - voice-translator-network

networks:
  voice-translator-network:
    driver: bridge
    ipam:
      config:
        - subnet: 172.25.0.0/16

volumes:
  voice-models:
    driver: local
  voice-logs:
    driver: local
  voice-data:
    driver: local
  redis-data:
    driver: local
  # prometheus-data:
  #   driver: local
  # grafana-data:
  #   driver: local