Create new services: inventory, recipes, suppliers

services/inventory/app/core/config.py

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+# services/inventory/app/core/config.py
+"""
+Inventory Service Configuration
+"""
+
+from typing import List
+from pydantic import Field
+from shared.config.base import BaseServiceSettings
+
+
+class Settings(BaseServiceSettings):
+    """Inventory service settings extending base configuration"""
+    
+    # Override service-specific settings
+    SERVICE_NAME: str = "inventory-service"
+    VERSION: str = "1.0.0"
+    APP_NAME: str = "Bakery Inventory Service"
+    DESCRIPTION: str = "Inventory and stock management service"
+    
+    # API Configuration
+    API_V1_STR: str = "/api/v1"
+    
+    # Override database URL to use INVENTORY_DATABASE_URL
+    DATABASE_URL: str = Field(
+        default="postgresql+asyncpg://inventory_user:inventory_pass123@inventory-db:5432/inventory_db",
+        env="INVENTORY_DATABASE_URL"
+    )
+    
+    # Inventory-specific Redis database
+    REDIS_DB: int = Field(default=3, env="INVENTORY_REDIS_DB")
+    
+    # File upload configuration
+    MAX_UPLOAD_SIZE: int = 10 * 1024 * 1024  # 10MB
+    UPLOAD_PATH: str = Field(default="/tmp/uploads", env="INVENTORY_UPLOAD_PATH")
+    ALLOWED_FILE_EXTENSIONS: List[str] = [".csv", ".xlsx", ".xls", ".png", ".jpg", ".jpeg"]
+    
+    # Pagination
+    DEFAULT_PAGE_SIZE: int = 50
+    MAX_PAGE_SIZE: int = 1000
+    
+    # Stock validation
+    MIN_QUANTITY: float = 0.0
+    MAX_QUANTITY: float = 100000.0
+    MIN_PRICE: float = 0.01
+    MAX_PRICE: float = 10000.0
+    
+    # Inventory-specific cache TTL
+    INVENTORY_CACHE_TTL: int = 180  # 3 minutes for real-time stock
+    INGREDIENT_CACHE_TTL: int = 600  # 10 minutes
+    SUPPLIER_CACHE_TTL: int = 1800   # 30 minutes
+    
+    # Low stock thresholds
+    DEFAULT_LOW_STOCK_THRESHOLD: int = 10
+    DEFAULT_REORDER_POINT: int = 20
+    DEFAULT_REORDER_QUANTITY: int = 50
+    
+    # Expiration alert thresholds (in days)
+    EXPIRING_SOON_DAYS: int = 7
+    EXPIRED_ALERT_DAYS: int = 1
+    
+    # Barcode/QR configuration
+    BARCODE_FORMAT: str = "Code128"
+    QR_CODE_VERSION: int = 1
+
+
+# Global settings instance
+settings = Settings()

services/inventory/app/core/database.py

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+# services/inventory/app/core/database.py
+"""
+Inventory Service Database Configuration using shared database manager
+"""
+
+import structlog
+from contextlib import asynccontextmanager
+from typing import AsyncGenerator
+
+from app.core.config import settings
+from shared.database.base import DatabaseManager, Base
+
+logger = structlog.get_logger()
+
+# Create database manager instance
+database_manager = DatabaseManager(
+    database_url=settings.DATABASE_URL,
+    service_name="inventory-service",
+    pool_size=settings.DB_POOL_SIZE,
+    max_overflow=settings.DB_MAX_OVERFLOW,
+    pool_recycle=settings.DB_POOL_RECYCLE,
+    echo=settings.DB_ECHO
+)
+
+
+async def get_db():
+    """
+    Database dependency for FastAPI - using shared database manager
+    """
+    async for session in database_manager.get_db():
+        yield session
+
+
+async def init_db():
+    """Initialize database tables using shared database manager"""
+    try:
+        logger.info("Initializing Inventory Service database...")
+        
+        # Import all models to ensure they're registered
+        from app.models import inventory  # noqa: F401
+        
+        # Create all tables using database manager
+        await database_manager.create_tables(Base.metadata)
+            
+        logger.info("Inventory Service database initialized successfully")
+        
+    except Exception as e:
+        logger.error("Failed to initialize database", error=str(e))
+        raise
+
+
+async def close_db():
+    """Close database connections using shared database manager"""
+    try:
+        await database_manager.close_connections()
+        logger.info("Database connections closed")
+    except Exception as e:
+        logger.error("Error closing database connections", error=str(e))
+
+
+@asynccontextmanager
+async def get_db_transaction():
+    """
+    Context manager for database transactions using shared database manager
+    """
+    async with database_manager.get_session() as session:
+        try:
+            async with session.begin():
+                yield session
+        except Exception as e:
+            logger.error("Transaction error", error=str(e))
+            raise
+
+
+@asynccontextmanager
+async def get_background_session():
+    """
+    Context manager for background tasks using shared database manager
+    """
+    async with database_manager.get_background_session() as session:
+        yield session
+
+
+async def health_check():
+    """Database health check using shared database manager"""
+    return await database_manager.health_check()