Adds auth module

services/auth/app/core/database.py

@@ -1,12 +1,51 @@
+# ================================================================
+# services/auth/app/core/database.py (ENHANCED VERSION)
+# ================================================================
 """
-Database configuration for auth service
+Database configuration for authentication service
 """
 
-from shared.database.base import DatabaseManager
+import logging
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
+from sqlalchemy.pool import NullPool
+
 from app.core.config import settings
+from shared.database.base import Base
 
-# Initialize database manager
-database_manager = DatabaseManager(settings.DATABASE_URL)
+logger = logging.getLogger(__name__)
 
-# Alias for convenience
-get_db = database_manager.get_db
+# Create async engine
+engine = create_async_engine(
+    settings.DATABASE_URL,
+    poolclass=NullPool,
+    echo=settings.DEBUG,
+    future=True
+)
+
+# Create session factory
+AsyncSessionLocal = async_sessionmaker(
+    engine,
+    class_=AsyncSession,
+    expire_on_commit=False,
+    autoflush=False,
+    autocommit=False
+)
+
+async def get_db() -> AsyncSession:
+    """Database dependency"""
+    async with AsyncSessionLocal() as session:
+        try:
+            yield session
+            await session.commit()
+        except Exception as e:
+            await session.rollback()
+            logger.error(f"Database session error: {e}")
+            raise
+        finally:
+            await session.close()
+
+async def create_tables():
+    """Create database tables"""
+    async with engine.begin() as conn:
+        await conn.run_sync(Base.metadata.create_all)
+    logger.info("Database tables created successfully")