first commit

backend/app/services/health.py

@@ -0,0 +1,11 @@
+from sqlalchemy import text
+from sqlalchemy.exc import SQLAlchemyError
+from sqlalchemy.orm import Session
+
+
+def check_database(db: Session) -> bool:
+    try:
+        db.execute(text("SELECT 1"))
+        return True
+    except SQLAlchemyError:
+        return False