Dockerizing a Node.js web app (Engine)

Dockerizing a Node.js web app

Note: - If you don’t like sudo then see Giving non-root access

The goal of this example is to show you how you can build your own Docker images from a parent image using a Dockerfile . We will do that by making a simple Node.js hello world web application running on CentOS. You can get the full source code athttps://github.com/enokd/docker-node-hello/.

Create Node.js app

First, create a directory src where all the files would live. Then create a package.json file that describes your app and its dependencies:

{
  "na