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

If we don't want to define the path of the .env file like this,

require('dotenv').config({ path: 'ENV_FILENAME' });

we can place .env file in the same place as our main file, which was App.js in my case. So we could directly write

require('dotenv').config()