Commands : Node JS API Development : 

- npm install                                    # install node js
- npm install --save-dev nodemon                 # Execute on runtime
- npm install --save mysql2                      # Install Mysql 
- npm install express --save                     # Install Express
- npm install express-validator                  # Validation on request 
- npm install --save express-fileupload          # For file uploading 
- npm install moment                             # Insatll modent js for use of date time 
- npm install body-parser                        # To parse post data 
- npm install cors                               # Connet express 
- npm install nodemailer                         # To send mail via smtp
- npm install request                            # Use 3rd part web API 

// Admin setup module 
npm i sequelize 
 or
npm install --save sequelize-cli
npm install --save sequelize                     # For install sequelize 
npm install ejs                                  # For Express template file extension 
npm install pug --save                           # Template engine 
npm i express-session 				 # Store session data
npm i express-flash-messages                     # Showing flash messages

npm i bcrypt