Image build from hypriot/rpi-node and following the http://kubernetes.io/docs/getting-started-guides/meanstack/ tutorial.
This image has the node.js application which has the connection to the service 'mongo'. It has to be created into de kubernetes cluster in order to be discovered by the dns resolver and the new Db(host,port,...) portion to work properly.
RUN mkdir -p /usr/src/app
COPY ./app/ ./
RUN npm install
CMD ["node", "app.js"]