O'Reilly logo

Cloud Foundry: The Definitive Guide, 1st Edition by Duncan C. E. Winn

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 8. Containers, Containers, Containers

Containers, as a concept, is not new technology. However, in recent years, there has been rapid adoption of new container-based technologies such as Docker, Garden, and Rocket. Many organizations regard containers as a key enabler for adopting technologies such as microservices-based architectures or continuous delivery pipelines. Therefore, containers have become a critical part of the digital transformation strategy of most companies.

Some companies I work with establish a mandate to adopt containers but cannot articulate a specific use case or problem that would be solved by adopting containers. Others believe containers will help them deploy apps quicker but cannot explain why, or they believe containers will provide better utilization but have not profiled their existing infrastructure utilization. The use of container technology absolutely can provide significant benefits. It is essential to understand how those benefits are achieved in such a way as to derive the most from container technology.

The Meaning of “Container”

Like the term “platform,” the term container is also overloaded. This chapter is not about traditional app server containers such as Tomcat; it is about OS–level containers such as runC.

What Is a Container?

Despite their huge popularity, there still are a lot of misconceptions about containers. Principally, in the Linux world at least, containers are not a literal entity, they are a logical construct. Strictly ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required