Today I will explain how to access the Environment variable in the Node js project. Working with environment variables is a great way to configure different aspects of your Node.js application.
a) what is env variable
b) How many ways we can setup the env variable in Node.js
c) Using dotenv with NodeJS and Environment Variables
development - port, db config,username, password etc- 8000, smtp auth{email, pass}
Testing - port, db config,username, password, filepath etc - 8001
Production - port, db config,username, password, filepath etc - 8002, 8003 auth{email, pass}
Command line argumant--- PORT= 3000 npm start
create .env file and declare the values inside that file.
create .env file inside project directory
add this .gitignore
Declare all your config values
dotenv module npm library
Fetch those env values to Node.js file
Link to get the dotenv module
https://www.npmjs.com/package/dotenv
Get the updated code from here
https://github.com/subhrajyotiw5rtc/tutorial
