Initial commit: waitlist microservice

app/db.py

@@ -0,0 +1,17 @@
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+
+from app.config import settings
+
+engine = create_async_engine(
+    settings.DATABASE_URL,
+    pool_size=5,
+    max_overflow=10,
+    pool_pre_ping=True,
+)
+
+async_session = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+
+
+async def get_db() -> AsyncSession:
+    async with async_session() as session:
+        yield session