docker-compose.yml

services:
  mongo:
    image: mongo:7.0
    ports:
      - "27017:27017"
    environment:
      - MONGO_INITDB_DATABASE=peerprep-questions 
    volumes:
      - mongo_data:/data/db
      - ./question-service/mongo-init.js:/docker-entrypoint-initdb.d/mongo-init.js:ro
    restart: unless-stopped
    networks:
      - app-network
    healthcheck:
      test: ["CMD", "mongosh", "--eval", "db.adminCommand('ping')"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 40s


  redis:
    image: redis:7-alpine
    restart: unless-stopped
    networks:
      - app-network
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 30s
      timeout: 5s
      retries: 5

  user-service:
    build:
      context: ./user_service
    ports:
      - "8000:8000"
    environment:
      - MONGO_URI=mongodb://mongo:27017/
      - DB_NAME=user_service_db
      - USERS_COLLECTION=users
      - SECRET_KEY=your-secret-key-here
      - ALGORITHM=HS256
      - ACCESS_TOKEN_EXPIRE_MINUTES=30
      - PASSWORD_MIN_LENGTH=8
    volumes:
      - ./user_service:/app
    depends_on:
      - mongo
    restart: unless-stopped
    networks:
      - app-network
    healthcheck:
      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/').read()"]
      interval: 30s
      timeout: 10s
      retries: 5

  question-service:
    build:
      context: ./question-service
    ports:
      - "3001:3001"
    environment:
      - NODE_ENV=production
      - MONGODB_URI=mongodb://mongo:27017/peerprep-questions 
      - PORT=3001
    depends_on:
      mongo:
        condition: service_healthy
      user-service:
        condition: service_healthy
    restart: unless-stopped
    networks:
      - app-network
    healthcheck:
      test: ["CMD", "node", "-e", "require('http').get('http://localhost:3001/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })"]
      interval: 30s
      timeout: 3s
      start_period: 5s
      retries: 3

  matching-service:
    build:
      context: ./matching-service
    ports:
      - "8084:3001"
    environment:
      - NODE_ENV=production
      - PORT=3001
      - USER_SVC_BASE=http://user-service:8000
      - QUESTIONS_SVC_BASE=http://question-service:3001
      - REDIS_URL=redis://redis:6379
      - JWT_SECRET=your-secret-key-here
      - JWT_ALG=HS256
      - ACCEPT_WINDOW_SECS=25
      - TTL_SECS=120
      - SWEEPER_INTERVAL_SECS=5
      # for collaboration service
      - COLLAB_WS_PUBLIC_URL=ws://localhost:8090/ws
      - COLLAB_JWT_SECRET=dev-collab-secret
      - COLLAB_JWT_ISSUER=peerprep-matching
      - COLLAB_JWT_AUDIENCE=collab
      - COLLAB_SESSION_TTL_MIN=120
    depends_on:
      redis:
        condition: service_healthy
      user-service:
        condition: service_healthy
      question-service:
        condition: service_healthy
      collaboration-service:
        condition: service_healthy
    restart: unless-stopped
    networks:
      - app-network

  collaboration-service:
    build:
      context: ./collaboration-service
    container_name: collaboration-service
    environment:
      - PORT=8090
      - HOST=0.0.0.0
      - WS_PATH=/ws
      - JWT_SECRET=dev-collab-secret
      - JWT_ISSUER=peerprep-matching
      - JWT_AUDIENCE=collab
      - PROMETHEUS_ENABLED=true
      - RECONNECT_GRACE_MS=5000
    ports:
      - "8090:8090"
    healthcheck:
      test: ["CMD", "node", "-e", "require('http').get('http://localhost:8090/healthz')"]
      interval: 10s
      timeout: 3s
      retries: 10
    networks:
      - app-network

  chatbot-service:
    build:
      context: ./chatbot-service
    ports:
      - "3302:3002"
    environment:
      - PORT=3002
      - OPENAI_API_KEY=${OPENAI_API_KEY}
      - OPENAI_BASE_URL=${OPENAI_BASE_URL:-https://api.openai.com/v1}
      - CHATBOT_MODEL=${CHATBOT_MODEL:-gpt-4o-mini}
    depends_on:
      user-service:
        condition: service_healthy
    restart: unless-stopped
    networks:
      - app-network
    healthcheck:
      test:
        [
          "CMD",
          "node",
          "-e",
          "require('http').get('http://localhost:3002/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1); })",
        ]
      interval: 30s
      timeout: 5s
      retries: 5
      start_period: 10s

  frontend:
    build:
      context: ./frontend 
    ports:
      - "3000:3000"
    volumes:
      - ./frontend:/app
      - /app/node_modules
    environment:
      - NODE_ENV=development
      - VITE_USER_SERVICE_URL=http://localhost:8000
      - VITE_USERS_URL=http://localhost:8000
      - VITE_QUESTION_SERVICE_URL=http://localhost:3001
      - VITE_PROBLEMS_URL=http://localhost:3001
      - VITE_MATCH_URL=http://localhost:8084
      - VITE_CHATBOT_URL=http://localhost:3302
    depends_on:
      question-service:
        condition: service_healthy
      user-service:
        condition: service_healthy
      matching-service:
        condition: service_healthy
      collaboration-service:
        condition: service_healthy
      chatbot-service:
        condition: service_healthy
    restart: unless-stopped
    networks:
      - app-network

networks:
  app-network:
    driver: bridge

volumes:
  mongo_data: