Configuration in Node

Installation

npm i config

Usage

index.js

const config = require('config');
//Configuration
console.log("Application Name : " + config.get('appName'));
console.log("Mail Server Name : " + config.get('mailServer.serverAddress'));
//export contentiric_mail_password=Password123 // this env variable is mapped to mailServer.serverPassword in /config/custom-environment-variables file 
console.log("Mail Server Password : " + config.get('mailServer.serverPassword'));

Setting Environment Variables in Mac

 export NODE_ENV=development 

export contentiric_mail_password=Password123 // this env variable is mapped to mailServer.serverPassword in /config/custom-environment-variables file 

Config Transformations

in the config folder

default.json

 {
    "appName" : "Contentiric CMS"
 }

development.json

 {
    "appName" : "Contentiric CMS - Development",
    "mailServer" : {
        "serverAddress":"mail.google.com"
    }
 }

custom-environment-variables.json

This file is for environment variables to config mappings and name must be exactly like this

 {
    "mailServer" : {
        "serverPassword":"contentiric_mail_password"
    }
 }