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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

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Index

Workflows for Helping Hands

Data workflows are the backbone of any microservices-based architecture. They define the sequence of messages and events that are generated among the services to accomplish a desired task. A workflow may consist of both synchronous and asynchronous messages.

Note

Workflows shown in this section are only for explanatory purposes and do not conform to the exact semantics of sequence diagrams (https://en.wikipedia.org/wiki/Sequence_diagram). Details of authentication, authorization, validation, and error conditions have been omitted intentionally.

Service provider workflow

The service provider workflow consists of Service Provider, Lookup Service, and Alerting Service. The Service Provider Component exposes endpoints for users to create and update service providers for the Helping Hands application, as shown in the following diagram:

For the create operation, the Service Provider service first validates the input request for the required parameters and privileges, then...

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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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