Delete .env.example

.env.example

@@ -1,5 +0,0 @@
-# Copy this to .env and fill in your values (never commit real secrets)
-MONGO_URI=mongodb+srv://<username>:<password>@<cluster>.mongodb.net/?retryWrites=true&w=majority
-JWT_SECRET=replace-with-a-long-random-string
-JWT_EXPIRY_HOURS=24
-DB_NAME=authapp