In this post, we will see what Consul can do in terms of Service Discovery, Health Checking, and see how we can use its Key/Value store. We will create two nginx servers, serving two different pages. These pages will display keys from the K/V store of Consul using Consul Template. We will then dynamically load balance these two servers with a third Nginx server, which will only send traffic to the servers that are online. This will all rely heavily on Docker, and Registrator will be used to automatically (de-)register our services.

This blog post is derived from a meetup I presented in London a week ago, which I help run with my company, ECS Digital. This is usually hands-on, and every gets a chance to learn something practical. …