CoreOS in Action

Chapter 6. Web stack application example

This chapter covers

• Deploying a multitier web application to a CoreOS cluster
• Applying autodiscovery systems in application logic and service unit files
• Testing failover of discrete layers

In this chapter, you’ll begin fleshing out a full application stack on CoreOS. This isn’t an application development book, so the example is a bit contrived, but it’s similar to any complex stack you might see that contains a number of different services with different purposes. This example will develop the information you’ve already learned about CoreOS into a more real-world scenario. The application you’ll build and deploy will be iterated on throughout the rest of the book, just as you’d expect in the real ...