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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

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Product type Paperback
Published in Jan 2018
Publisher Packt
ISBN-13 9781788622240
Length 336 pages
Edition 1st Edition
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Author (1):
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Anuj Kumar Anuj Kumar
Author Profile Icon Anuj Kumar
Anuj Kumar
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Table of Contents (13) Chapters Close

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

Creating a microservice for Lookup


The Lookup service is used to search for services by type, geolocation, and availability. It subscribes to the events generated by the Consumer, Provider, Service, and Order microservices as an Observer and keeps a denormalized dataset that is faster to query for required Services. The Lookup service also adds longitude and latitude for the Services and Consumers that is derived from their address and service area or locality. To get the longitude and latitude from the service area, it depends on an external API. The Lookup service provides the following APIs for consumers to search for a service and also filter the services by type, ratings, and providers:

URI

Description

GET /lookup/?q=query

Filters all the services based on the specified query.

GET /lookup/?q=query&type=type

Filters all the services of a given type based on the specified query.

GET /lookup/geo/?tl=40.73,-74.1&br=40.01,-71.12

Looks up the service by the given latitude-longitude set for...

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