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Microservices with Clojure

You're reading from Microservices with Clojure

Product type Book

Published in Jan 2018

Publisher Packt

ISBN-13 9781788622240

Pages 336 pages

Edition 1st Edition

Languages

Concepts

Author (1):

Anuj Kumar

Table of Contents (18) Chapters

Title Page

Dedication

Packt Upsell

Contributors

Preface

1. Monolithic Versus Microservices

2. Microservices Architecture

3. Microservices for Helping Hands Application

4. Development Environment

5. REST APIs for Microservices

6. Introduction to Pedestal

7. Achieving Immutability with Datomic

8. Building Microservices for Helping Hands

9. Configuring Microservices

10. Event-Driven Patterns for Microservices

11. Deploying and Monitoring Secured Microservices

1. Other Books You May Enjoy

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Index

Messaging and contracts

In monolithic applications, messaging between components is mostly achieved using function calls, whereas for microservices, it is achieved using lightweight messaging systems, often HTTP(S). Using a lightweight messaging system is one of the most promising features of microservices and makes it easier to adopt and scale, as compared to service-oriented architecture (SOA) that uses a complex messaging system with multiple protocols. Microservices are more about keeping the endpoints smart and the communication channels as simple as possible.

In a microservices architecture, often multiple microservices need to interact with each other to achieve a particular task. These interactions can be either direct, via request-response-based (https://en.wikipedia.org/wiki/Request-response) communication, or through a lightweight message-oriented middleware (MOM) (https://en.wikipedia.org/wiki/Message-oriented_middleware). Direct messaging is synchronous, that is, the requester...

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Authors (1)

Anuj Kumar

Anuj Kumar is the co-founder and chief architect of FORMCEPT, a data analytics startup based in Bangalore, India. He has more than 10 years of experience in designing large-scale distributed systems for storage, retrieval, and analytics. He has been in industry hacking, mainly in the area of data integration, data quality, and data analytics using NLP and machine learning techniques. He has published research papers at ACM conferences, got a few patents granted, and has spoken at TEDx. Prior to FORMCEPT, he has worked with the Oracle Server Technologies division in Bangalore, India.

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