Serverless Go (The Book + Code)
Serverless Go
A Practical Guide
About the Book
When you have a great idea, the last thing you want to do is set up infrastructure. Learn more.
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Serverless Go: A Practical Guide is an extension to the Going Serverless book. In this version, you will learn how to design, build, and test a serverless CRUD API with the Go language and AWS Lambda.
What Readers Are Saying
Just wanted to drop you an email to thank you for doing the Serverless Go book. I have actually been looking to learn this area, bought your book, and will be going over it this weekend. Keep writing and shipping!
-- Daniel Ong
I just wanted to say thank you for your awesome article on Serverless Go. I’ve been struggling so much on that topic, but your article and code made it so clear on how to accomplish it. Look forward to reading more of your stuff (I bookmarked your site!)
-- Randy Lough
Who Should Read This Book?
This book is aimed at developers with a basic understanding of the web, HTTP, and server-side technologies. You don't need any prior background in the Go Language, AWS, nor in serverless architectures.
Frequently Asked Questions
What programming language are we using?
Go.
Which FaaS provider are we using?
Amazon Web Services (AWS Lambda.)
Is there source code available?
Yes. You will gain access to working code samples with your purchase. In Serverless Go: A Practical Guide, there will be one ready-to-deploy CRUD API code sample included with the book.
About the Author
Table of Contents
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1. Introduction to Serverless
- 1.1 Moving to the Cloud
- 1.2 Enter Serverless
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1.3 From PaaS to FaaS
- 1.3.1 PaaS
- 1.3.2 FaaS
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1.4 From Monolith to Microservices to Functions
- 1.4.1 Where Functions fit in
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1.5 FaaS Concepts
- 1.5.1 Functions
- 1.5.2 Events
- 1.5.3 Resources
- 1.6 FaaS Execution Model
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1.7 Traditional Scaling vs. Serverless
- 1.7.1 AWS Lambda Costs
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1.8 AWS Lambda Limits
- 1.8.1 Invocation Limits
- 1.8.2 Concurrency Limits
- 1.8.3 AWS Lambda Limit Errors
- 1.8.4 Increasing your concurrency limit
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1.9 Use Cases
- 1.9.1 Event-driven File Processing
- 1.9.2 Web Applications
- 1.9.3 Webhooks
- 1.9.4 Scheduled Tasks
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1.10 Benefits
- 1.10.1 High Availability and Scalability
- 1.10.2 Less Ops
- 1.10.3 Granular Billing
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1.11 Drawbacks
- 1.11.1 Vendor lock-in
- 1.11.2 Lack of control
- 1.11.3 Integration Testing is hard
- 1.12 FaaS Providers
- 1.13 Chapter Summary
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2. The Serverless Framework
- 2.1 Introduction
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2.2 Installation
- 2.2.1 Install Node Version Manager
- 2.2.2 Install Node.js
- 2.2.3 Install the Serverless Framework
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2.3 Getting Started
- 2.3.1 Development Workflow
- 2.3.2 Project structure
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2.3.3
serverless.yml - 2.3.4 Serverless Plugins
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2.4 Additional Setup
- 2.4.1 Amazon Web Services (AWS) Setup
- 2.5 Chapter Summary
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3. The Go Language
- 3.1 Why Go?
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3.2 Whirlwind Tour of Go
- 3.2.1 Installation
- 3.2.2 Types
- 3.2.3 Variables
- 3.2.4 Branching
- 3.2.5 Data Structures
- 3.2.6 Loops
- 3.2.7 Functions
- 3.2.8 Pointers
- 3.2.9 Structs
- 3.2.10 Interfaces
- 3.2.11 Errors
- 3.2.12 Packages
- 3.2.13 Package Management
- 3.3 Go on AWS Lambda
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3.4 Go Lambda Programming Model
- 3.4.1 Lambda Function Handler
- 3.4.2 The Context Object
- 3.4.3 Logging
- 3.4.4 Function Errors
- 3.4.5 Environment Variables
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3.5 Summary
- 3.5.1 Further Learning
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4. Building a CRUD API
- 4.1 Prerequisites
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4.2 Background Information
- 4.2.1 Amazon DynamoDB
- 4.2.2 Amazon API Gateway
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4.3 Design
- 4.3.1 Problem Decomposition
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4.4 Development
- 4.4.1 Example Application Setup
- 4.5 Summary
- 5. Where to go from here
- 6. Glossary
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