is-docker ![Build Status](https://travis-ci.com/sindresorhus/is-docker.svg?branch=master)
Check if the process is running inside a Docker container
Install
$ npm install is-docker
Usage
const isDocker = require('is-docker');
if (isDocker()) {
console.log('Running inside a Docker container');
}
CLI
$ is-docker
Exits with code 0 if inside a Docker container and 2 if not.