Kubernetes in Action

Chapter 1. Introducing Kubernetes

This chapter covers

• Understanding how software development and deployment has changed over recent years
• Isolating applications and reducing environment differences using containers
• Understanding how containers and Docker are used by Kubernetes
• Making developers’ and sysadmins’ jobs easier with Kubernetes

Years ago, most software applications were big monoliths, running either as a single process or as a small number of processes spread across a handful of servers. These legacy systems are still widespread today. They have slow release cycles and are updated relatively infrequently. At the end of every release cycle, developers package up the whole system and hand it over to the ops team, who then deploys and ...