mongoose.connect(), first argument should be String, received undefined

Question

I am trying to set the test database for the testing purpose, but its not working.

I am trying to connect to mongodb using mongoose, but finding problem in connection er

Answer 1

To read from .env file you have to install dotenv ( npm i dotenv / yarn add dotenv) and then just add this on top of your file.

const dotenv = require("dotenv");

dotenv.config();