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1. What is the Backend? Backend development (often called the “server-side” development), is the creation of everything that goes on behind the scenes of a website or application that the user can’t see. The backend normally consists of an application, server ...

1. Let's start by creating an index.js then initializing your JavaScript project by running npm init in your terminal after that let's download the libraries that we will be using today which are express and mysql by running npm install express mysql2 dotenv...

Let's write the endpoint that query user balance data from the database and response to the user. This the schema of sample database 👇🏻 1. Let's create a first endpoint query balance from the database by create getBalance.js in controller->transactio...

1. Let's create an endpoint to create new user into the database, create create.js into directory controllers->users 2.  Write down using this code const connection = require("../../services/database"); const create = async (req, res) => { // Get data f...

Let's create an endpoint to update user balance into the database, create updateBalance.js into directory controllers->transactions 2.  Write down using this code const connection = require("../../services/database"); const updateBalance = async (re...

Let's create an endpoint to delete user from the database, create deleteUser.js into directory controllers->users 2.  Write down using this code const connection = require("../../services/database"); const deleteUser = async (req, res) => { const ...

1. Download the frontend from this link https://drive.google.com/file/d/1UuALet56_czOseatkx2-jCsgUwWiYFAO/view?usp=sharingthen run npm i when you run it should look like this then npm i axios 2.  Then go to your backend run npm i cors then add the code bel...