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Building RESTful Web services with Go

You're reading from   Building RESTful Web services with Go Learn how to build powerful RESTful APIs with Golang that scale gracefully

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Product type Paperback
Published in Dec 2017
Publisher Packt
ISBN-13 9781788294287
Length 316 pages
Edition 1st Edition
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Author (1):
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Naren Yellavula Naren Yellavula
Author Profile Icon Naren Yellavula
Naren Yellavula
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Table of Contents (13) Chapters Close

Preface 1. Getting Started with REST API Development FREE CHAPTER 2. Handling Routing for Our REST Services 3. Working with Middleware and RPC 4. Simplifying RESTful Services with Popular Go Frameworks 5. Working with MongoDB and Go to Create REST APIs 6. Working with Protocol Buffers and GRPC 7. Working with PostgreSQL, JSON, and Go 8. Building a REST API Client in Go and Unit Testing 9. Scaling Our REST API Using Microservices 10. Deploying Our REST services 11. Using an API Gateway to Monitor and Metricize REST API 12. Handling Authentication for Our REST Services

Summary


In this chapter, we started our journey by installing PostgreSQL. We introduced PostgreSQL formally and tried to see all possible SQL queries for CRUD operations. We then saw how to add users and databases in PostgreSQL. We then installed and explained pq, a Postgres driver for the Go language. We explained how the driver API performs raw SQL queries. 

Then came the implementation part of the URL shortening service; that REST service takes the original URL and returns a shortened string. It also takes the shortened URL and returns the original URL. We wrote a sample program to illustrate the Base62 algorithm that powers our service. We leveraged this algorithm in our service next and created a REST API.

GORM is a well-known object-relational mapper for Go. Using an ORM, one can easily manage the database operations. GORM provides a few useful functions, such as AutoMigrate (create a table if one doesn't exist), for writing intuitive Go code over the traditional database/sql driver...

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