added inventory, updated DB

inventory-service/init_db.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+"""
+Initialize the inventory service database.
+Creates all tables and performs initial setup.
+"""
+
+import asyncio
+import logging
+import os
+import sqlalchemy as sa
+from database import Base, DATABASE_URL, create_indexes
+
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+async def init_database():
+    """Initialize database tables and indexes."""
+    try:
+        # Create engine
+        engine = sa.create_engine(DATABASE_URL)
+        
+        # Create all tables
+        logger.info("Creating database tables...")
+        Base.metadata.create_all(engine)
+        
+        # Create indexes
+        logger.info("Creating performance indexes...")
+        create_indexes(engine)
+        
+        logger.info("Database initialization completed successfully")
+        
+    except Exception as e:
+        logger.error(f"Database initialization failed: {e}")
+        raise
+
+if __name__ == "__main__":
+    asyncio.run(init_database())