Initial Source code version

app/db.py

@@ -0,0 +1,9 @@
+from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
+from sqlalchemy.orm import DeclarativeBase
+from app.config import settings
+
+engine = create_async_engine(settings.DATABASE_URL, echo=False, future=True)
+SessionLocal = async_sessionmaker(bind=engine, expire_on_commit=False, class_=AsyncSession)
+
+class Base(DeclarativeBase):
+    pass