Back end debugging and logging

There are two things that are very important here: the first is that we need to implement logging for our back end in case we receive errors from our users, and the second is that we need to look into Postman to debug our GraphQL API efficiently.

So, let's get started with logging.

Logging in Node.js

The most popular logging package for Node.js is called winston. Configure winston by following the steps below:

1. Install winston with npm:

npm install --save winston

2. We create a new folder for all of the helper functions of the back end:

mkdir src/server/helpers

3. Then, insert a logger.js file in the new folder with the following content:

import winston from 'winston';

let transports...