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A DevOps tutorial on migrating to microservices

Last updated:November 2017

Editor's note

Microservices have solidified their place as a key part of modernizing applications, accelerating development cycles and optimizing an organization's ability to perform maintenance on services. However, architects and developers who are just jumping into microservices need to consider important factors, such as how the introduction of microservices affects an enterprise architecture, how to decide what parts of the business should be run as microservices, the management and security challenges that can arise and the critical role that APIs are going to play in successfully deploying apps as microservices.

The content featured in this essential guide will help DevOps teams, small or large, understand the considerations that need to be taken prior to migration to microservices, prepare for the challenges that come along with the introduction of a distributed architecture and discover why and how APIs and API management will be such an important area of focus.

Whether you are a team just thinking about migrating to microservices, in the middle of development or simply want to brush up your knowledge about the subject, let our experts be the ones to guide you in the right direction.

1What to expect when microservices are introduced

As with any other technology, there is nothing automatic about migrating to microservices. Architecture distribution not only brings its fair share of management complexities but can even bring unforeseen security implications as well. Meeting these challenges successfully requires a clear understanding of what's ahead and the tools and techniques that will help you deal with them appropriately.

This section features articles that focus on the challenges DevOps teams are likely to face when making the switch to microservices, including the risk of creating a "distributed monolith" and the issues teams face in "right-sizing" microservices. You'll also discover how to properly frame governance for microservices and how to deal with the potential security pitfalls microservices may introduce.

2Understanding the role of APIs in microservices

The introduction of microservices means that DevOps teams will need to think hard about a particular aspect of application management: APIs. When applications get distributed into small services, managing the APIs responsible for the functionality of those services becomes increasingly critical.

The articles in this section review the intricacies involved with API management when it comes to microservices, how to manage APIs and microservices holistically, some design principles that are essential for microservices and what the latest buzz is around the APIs used to manage messaging between distributed services.

3Terms and concepts related to microservices

Part of successfully migrating to microservices is understanding the related terminology. This section helps you familiarize yourself with some of these key terms.

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