init project

database.py

@@ -0,0 +1,11 @@
+from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker
+from sqlalchemy.orm import declarative_base
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+
+Base = declarative_base()
+engine = create_async_engine(os.getenv("DATABASE_URL"))
+async_session = async_sessionmaker(engine, expire_on_commit=False)
+