Dockerfile for node.js with WebSocket module and server app

Dockerfile

FROM ubuntu:14.04

MAINTAINER Giacomo Vacca "[email protected]"

ENV REFRESHED_AT 2015-01-19

RUN apt-get update
RUN apt-get upgrade -y

RUN apt-get install -y nodejs

# needs this to find the nodejs exec
RUN ln -s /usr/bin/nodejs /usr/bin/node

RUN apt-get install -y npm
RUN /usr/bin/npm install ws

EXPOSE 8080

ENTRYPOINT ["/usr/bin/node", "/root/server.js"]