# dotenv-expand<imgsrc="https://raw.githubusercontent.com/motdotla/dotenv-expand/master/dotenv-expand.png"alt="dotenv-expand"align="right"/>Dotenv-expand adds variable expansion on top of [dotenv](http://github.com/motdotla/dotenv). If you find yourself needing toexpand environment variables already existing on your machine, thendotenv-expand is your tool.[](https://travis-ci.org/motdotla/dotenv-expand)[](https://www.npmjs.com/package/dotenv-expand)[](https://github.com/feross/standard)## Install```bashnpm install dotenv --savenpm install dotenv-expand --save```## UsageAs early as possible in your application, require dotenv and dotenv-expand, andwrap dotenv-expand around dotenv.```jsvardotenv=require('dotenv')vardotenvExpand=require('dotenv-expand')varmyEnv=dotenv.config()dotenvExpand(myEnv)```See [test/.env](./test/.env) for examples of variable expansion in your `.env`file.