Dockerizing a Node.js web app

I am building this to learn how to get Node.js application into a docker container.For more details how to get started with docker read my blog on Medium.

Docker image

After building docker image it will look like this:

docker images

REPOSITORY           TAG                 IMAGE ID            CREATED             SIZE
reenz/node-web-app   latest              02acb2eb0a7a        2 minutes ago       675MB
node                 carbon              4635bc7d130c        13 days ago         673MB