Tux Machines
Posted by Roy Schestowitz on Apr 06, 2023,
updated Apr 06, 2023
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=> ↺ Kubernetes Patterns: The path to cloud native
Note:The following is an excerpt from Kubernetes Patterns, Second Edition by Bilgin Ibryam and Roland Huß (O'Reilly Media, March 2023). Download the e-book to learn how to solve common cloud native challenges with proven design patterns.
=> ↺ Kubernetes Patterns, Second Edition
Microservices is among the most popular architectural styles for creating cloud native applications. They tackle software complexity through modularization of business capabilities and trading development complexity for operational complexity. That is why a key prerequisite for becoming successful with microservices is to create applications that can be operated at scale through Kubernetes.
=> ↺ Microservices | ↺ Kubernetes
As part of the microservices movement, there is a tremendous amount of theory, techniques, and supplemental tools for creating microservices from scratch or for splitting monoliths into microservices. Most of these practices are based on Domain-Driven Design by Eric Evans (Addison-Wesley) and the concepts of bounded contexts and aggregates. Bounded contexts deal with large models by dividing them into different components, and aggregates help to further group bounded contexts into modules with defined transaction boundaries. However, in addition to these business domain considerations, for each distributed system—whether it is based on microservices or not—there are also technical concerns around its external structure, and runtime coupling. Containers and container orchestrators such as Kubernetes bring in new primitives and abstractions to address the concerns of distributed applications, and here we discuss the various options to consider when putting a distributed system into Kubernetes.
=> ↺ Domain-Driven Design | ↺ Containers
Throughout this book, we look at container and platform interactions by treating the containers as black boxes. However, we created this section to emphasize the importance of what goes into containers. Containers and cloud native platforms bring tremendous benefits to your distributed applications, but if all you put into containers is rubbish, you will get distributed rubbish at scale. Figure 1-1 shows the mixture of the skills required for creating good cloud native applications and where Kubernetes patterns fit in.
=> ↺ Kubernetes Patterns, Second Edition | ↺ Microservices | ↺ Kubernetes | ↺ Domain-Driven Design | ↺ Containers
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