mssio

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mssio

Step By Step Running Multiple Docker Container in Core OS Cluster

1. Create docker image for Node App (use this as reference for Dockerfile)
2. Push the Node App image to Docker Hub
3. Ensure that fleetctl is running and working from your local shell command
4. Create new Node service template file (use this as reference for node@.service)
5. Create docker image for Nginx load balancer (follow this tutorial to create nginx load balancer) 
6. Push the Nginx image to Docker Hub
7. Create new Nginx service template file [(use this as reference for nginx_lb@.service)](https://gist.github.com/mssio/1b949d0952aa

mssio

#Nginx Load Balancer Service For Core OS

Create a directory to manage using fleetctl for this service:

$ mkdir static

Create this file in static/nginx_lb.service

mssio

#Multiple Node Service Template for Core OS

Create 2 directory to manage using fleetctl for this service:

$ mkdir {templates,instances}

Create this file in templates/node@.service

mssio

#Dockerfile for Node App

Here is sample dockerfile for a basic express app

FROM ubuntu:14.04

RUN apt-get update
RUN apt-get install -qy curl
RUN curl -sL https://deb.nodesource.com/setup | sudo bash -