Обновление приложения

backend/app/database.py

@@ -0,0 +1,33 @@
+from sqlalchemy import create_engine, event
+from sqlalchemy.orm import sessionmaker, DeclarativeBase
+from app.config import get_settings
+
+settings = get_settings()
+
+_connect_args: dict = {}
+if settings.DATABASE_URL.startswith("postgresql"):
+    _connect_args = {"sslmode": "prefer"}
+
+engine = create_engine(
+    settings.DATABASE_URL,
+    connect_args=_connect_args,
+    pool_size=10,
+    max_overflow=20,
+    pool_pre_ping=True,
+    pool_recycle=3600,
+)
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()