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Building and Delivering Microservices on AWS

You're reading from   Building and Delivering Microservices on AWS Master software architecture patterns to develop and deliver microservices to AWS Cloud

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Product type Paperback
Published in May 2023
Publisher Packt
ISBN-13 9781803238203
Length 602 pages
Edition 1st Edition
Tools
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Author (1):
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Amar Deep Singh Amar Deep Singh
Author Profile Icon Amar Deep Singh
Amar Deep Singh
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Toc

Table of Contents (21) Chapters Close

Preface 1. Part 1: Pre-Plan the Pipeline
2. Chapter 1: Software Architecture Patterns FREE CHAPTER 3. Chapter 2: Microservices Fundamentals and Design Patterns 4. Chapter 3: CI/CD Principles and Microservice Development 5. Chapter 4: Infrastructure as Code 6. Part 2: Build the Pipeline
7. Chapter 5: Creating Repositories with AWS CodeCommit 8. Chapter 6: Automating Code Reviews Using CodeGuru 9. Chapter 7: Managing Artifacts Using CodeArtifact 10. Chapter 8: Building and Testing Using AWS CodeBuild 11. Part 3: Deploying the Pipeline
12. Chapter 9: Deploying to an EC2 Instance Using CodeDeploy 13. Chapter 10: Deploying to ECS Clusters Using CodeDeploy 14. Chapter 11: Setting Up CodePipeline Code 15. Chapter 12: Setting Up an Automated Serverless Deployment 16. Chapter 13: Automated Deployment to an EKS Cluster 17. Chapter 14: Extending CodePipeline Beyond AWS 18. Index 19. Other Books You May Enjoy Appendix

What is an AppSpec file?

The CodeDeploy service uses the YAML or JSON formatted AppSpec file to provide instructions for the deployment. This file is usually referred to as the appspec.yml file and is provided with the deployment package.

When we deploy a package, the CodeDeploy agent reads this file and executes the instructions provided in the appsepc.yml file. This file has two sections – one provides information regarding where the CodeDeploy agent needs to copy the artifact or package for installation, and another section contains the hooks to execute scripts for a specific deployment lifecycle.

The appspec.yml file syntax changes a bit based on the target compute platform. In this chapter, we are focusing on deployment to EC2 instances, so we will discuss the appspec.yml file syntax specific to the EC2/on-prem instance perspective, and in later chapters, we will cover the other two compute type-specific changes. The following is the structure of the appspec.yml file...

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