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Microservices with Clojure

You're reading from Microservices with Clojure Develop event-driven, scalable, and reactive microservices with real-time monitoring

Product type Paperback

Published in Jan 2018

Publisher Packt

ISBN-13 9781788622240

Length 336 pages

Edition 1st Edition

Languages

Clojure

Tools

Kafka

Concepts

Microservices

Author (1):

Anuj Kumar

View More author details

Table of Contents (13) Chapters

Preface

1. Monolithic Versus Microservices FREE CHAPTER

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

12. Other Books You May Enjoy

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Using Kafka for Helping Hands

The Helping Hands application uses Apache Kafka to implement the observer model and send asynchronous events among microservices. It is also used as an event store to capture all the state change events generated from microservices that are consumed by the Lookup service to build a consolidated view to server lookup requests. The Alert microservice of the Helping Hands application also receives the alert events via the Kafka topic and sends an email asynchronously.

Apache Kafka includes five core APIs:

The Producer API allows applications to publish streams of events to one or more topics
The Consumer API allows applications to consume published events from one or more topics
The Streams API allows transforming streams from input topics and publish the results to output topics
The Connect API allows support for various input and output sources to capture and dump stream of events
The AdminClient API allows topics and server management along with other Kafka management...

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Authors (1)

Anuj Kumar

Anuj Kumar

Anuj Kumar is a senior enterprise architect with FireEye, a Cyber Security Service Provider where he is involved in the Architecture, Strategy, and Design of various systems that deal with huge amounts of data on a regular basis. Anuj has more than 15 years of professional IT Industry experience ranging from development, design, architecture, management, and strategy. He's an active member of OASIS Technical Committee on STIX/TAXII specification. He is a firm believer in Agile Methodology, Modular/ (Staged) Event Driven Architecture, API-First Approach, and Continuous Integration/Deployment/Delivery. Anuj is also an author of Easy Test Framework, which is a Data Driven Testing Framework used by more than 50 companies.

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