docker-compose.yml

version: "3.9"

# A named network isn't strictly required -- Compose creates one
# automatically -- but naming it explicitly makes it easy to reference
# later (e.g. attaching a debugging container to inspect traffic).
networks:
  pricelens-net:
    driver: bridge

volumes:
  pg_data:
  redis_data:
  rabbitmq_data:

services:
  # ---------------------------------------------------------------------
  # Infrastructure
  # ---------------------------------------------------------------------
  postgres:
    image: postgres:16
    container_name: pricelens-postgres
    environment:
      POSTGRES_USER: pricelens
      POSTGRES_PASSWORD: pricelens_dev_password
      POSTGRES_DB: pricelens_auth
    volumes:
      - pg_data:/var/lib/postgresql/data
      # Auto-creates the tracking-service database on first boot only --
      # Postgres's official image runs every .sql/.sh file in this folder
      # exactly once, when the data directory is empty.
      - ./infra/postgres/init.sql:/docker-entrypoint-initdb.d/init.sql:ro
    ports:
      - "5432:5432"
    networks:
      - pricelens-net
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U pricelens"]
      interval: 5s
      timeout: 5s
      retries: 5

  redis:
    image: redis:7-alpine
    container_name: pricelens-redis
    command: redis-server --appendonly yes
    volumes:
      - redis_data:/data
    ports:
      - "6379:6379"
    networks:
      - pricelens-net
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 5s
      retries: 5

  rabbitmq:
    image: rabbitmq:3.13-management
    container_name: pricelens-rabbitmq
    environment:
      RABBITMQ_DEFAULT_USER: pricelens
      RABBITMQ_DEFAULT_PASS: pricelens_dev_password
    volumes:
      - rabbitmq_data:/var/lib/rabbitmq
    ports:
      - "5672:5672"
      - "15672:15672"
    networks:
      - pricelens-net
    healthcheck:
      test: ["CMD", "rabbitmq-diagnostics", "-q", "ping"]
      interval: 10s
      timeout: 10s
      retries: 5

  # ---------------------------------------------------------------------
  # Backend services
  # ---------------------------------------------------------------------
  auth-service:
    build: ./services/auth-service
    container_name: pricelens-auth-service
    environment:
      DATABASE_URL: postgresql://pricelens:pricelens_dev_password@postgres:5432/pricelens_auth
      JWT_SECRET_KEY: ${JWT_SECRET_KEY}
      JWT_ALGORITHM: HS256
      ACCESS_TOKEN_EXPIRE_MINUTES: 30
      CORS_ALLOWED_ORIGINS: '["http://localhost:5173","http://localhost:8080"]'
    ports:
      - "8001:8001"
    networks:
      - pricelens-net
    depends_on:
      postgres:
        condition: service_healthy

  search-service:
    build: ./services/search-service
    container_name: pricelens-search-service
    environment:
      REDIS_URL: redis://redis:6379/0
      SEARCH_CACHE_TTL_SECONDS: 600
      CELERY_BROKER_URL: amqp://pricelens:pricelens_dev_password@rabbitmq:5672//
      CELERY_RESULT_BACKEND: redis://redis:6379/1
      CORS_ALLOWED_ORIGINS: '["http://localhost:5173","http://localhost:8080"]'
    ports:
      - "8002:8002"
    networks:
      - pricelens-net
    depends_on:
      redis:
        condition: service_healthy
      rabbitmq:
        condition: service_healthy

  tracking-service:
    build: ./services/tracking-service
    container_name: pricelens-tracking-service
    environment:
      DATABASE_URL: postgresql://pricelens:pricelens_dev_password@postgres:5432/pricelens_tracking
      JWT_SECRET_KEY: ${JWT_SECRET_KEY}
      JWT_ALGORITHM: HS256
      CORS_ALLOWED_ORIGINS: '["http://localhost:5173","http://localhost:8080"]'
    ports:
      - "8003:8003"
    networks:
      - pricelens-net
    depends_on:
      postgres:
        condition: service_healthy

  analytics-service:
    build: ./services/analytics-service
    container_name: pricelens-analytics-service
    environment:
      # Service name, not localhost -- this is the Compose networking
      # change called out above. tracking-service is reachable by this
      # hostname only inside the pricelens-net network Compose creates.
      TRACKING_SERVICE_URL: http://tracking-service:8003
      TRACKING_SERVICE_TIMEOUT_SECONDS: 5
      CORS_ALLOWED_ORIGINS: '["http://localhost:5173","http://localhost:8080"]'
    ports:
      - "8004:8003"
    networks:
      - pricelens-net
    depends_on:
      - tracking-service

  # ---------------------------------------------------------------------
  # Scraper: same image, two different roles via different `command:`
  # ---------------------------------------------------------------------
  scraper-service:
    build: ./services/scraper-service
    container_name: pricelens-scraper-service
    environment:
      SELENIUM_HEADLESS: "true"
      SELENIUM_PAGE_LOAD_TIMEOUT: 20
      SELENIUM_IMPLICIT_WAIT: 5
      CELERY_BROKER_URL: amqp://pricelens:pricelens_dev_password@rabbitmq:5672//
      CELERY_RESULT_BACKEND: redis://redis:6379/1
    ports:
      - "8006:8006"
    networks:
      - pricelens-net
    depends_on:
      rabbitmq:
        condition: service_healthy

  scraper-worker:
    build: ./services/scraper-service
    container_name: pricelens-scraper-worker
    # Overrides the Dockerfile's default CMD (the FastAPI server) to run
    # a Celery worker instead -- this is the "same image, different role"
    # pattern flagged in Phase 12's scraper-service Dockerfile comments.
    command: celery -A celery_app worker --loglevel=info --concurrency=2
    environment:
      SELENIUM_HEADLESS: "true"
      SELENIUM_PAGE_LOAD_TIMEOUT: 20
      SELENIUM_IMPLICIT_WAIT: 5
      CELERY_BROKER_URL: amqp://pricelens:pricelens_dev_password@rabbitmq:5672//
      CELERY_RESULT_BACKEND: redis://redis:6379/1
    ports:
      - "9100:9100"
    networks:
      - pricelens-net
    depends_on:
      rabbitmq:
        condition: service_healthy
    # Headless Chrome inside Docker needs more than the tiny default
    # /dev/shm size (64MB) or it crashes with "session not created" --
    # this is a well-known Selenium-in-Docker gotcha, not a project bug.
    shm_size: "1gb"

  # ---------------------------------------------------------------------
  # Frontend
  # ---------------------------------------------------------------------
  frontend:
    build:
      context: ./frontend
      args:
        VITE_AUTH_SERVICE_URL: http://localhost:8001
        VITE_SEARCH_SERVICE_URL: http://localhost:8002
        VITE_TRACKING_SERVICE_URL: http://localhost:8003
        VITE_ANALYTICS_SERVICE_URL: http://localhost:8004
    container_name: pricelens-frontend
    ports:
      - "8080:80"
    networks:
      - pricelens-net
    depends_on:
      - auth-service
      - search-service
      - tracking-service
      - analytics-service