Create db.py

db.py

@@ -0,0 +1,10 @@
+# db.py
+from pymongo import MongoClient
+from dotenv import load_dotenv
+import os
+
+load_dotenv()
+
+MONGO_URI = os.getenv("MONGO_URI", "mongodb://localhost:27017/course_feedback")
+client = MongoClient(MONGO_URI)
+db = client.get_database()  # default DB from URI or use client["course_feedback"]