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Containers for Developers Handbook

You're reading from   Containers for Developers Handbook A practical guide to developing and delivering applications using software containers

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Product type Paperback
Published in Nov 2023
Publisher Packt
ISBN-13 9781805127987
Length 490 pages
Edition 1st Edition
Tools
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Author (1):
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Francisco Javier Ramírez Urea Francisco Javier Ramírez Urea
Author Profile Icon Francisco Javier Ramírez Urea
Francisco Javier Ramírez Urea
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Toc

Table of Contents (20) Chapters Close

Preface 1. Part 1:Key Concepts of Containers
2. Chapter 1: Modern Infrastructure and Applications with Docker FREE CHAPTER 3. Chapter 2: Building Docker Images 4. Chapter 3: Sharing Docker Images 5. Chapter 4: Running Docker Containers 6. Chapter 5: Creating Multi-Container Applications 7. Part 2:Container Orchestration
8. Chapter 6: Fundamentals of Container Orchestration 9. Chapter 7: Orchestrating with Swarm 10. Chapter 8: Deploying Applications with the Kubernetes Orchestrator 11. Part 3:Application Deployment
12. Chapter 9: Implementing Architecture Patterns 13. Chapter 10: Leveraging Application Data Management in Kubernetes 14. Chapter 11: Publishing Applications 15. Chapter 12: Gaining Application Insights 16. Part 4:Improving Applications’ Development Workflow
17. Chapter 13: Managing the Application Life Cycle 18. Index 19. Other Books You May Enjoy

Summary

In this chapter, we learned how to create container images for applications. We started with an overview of CoW filesystems, which are the base for creating container images using layers. We looked at different methods to build images, along with their pros, cons, and examples. Using Dockerfiles is the best method because it provides a reproducible way of creating images by using different steps, written in order in these files. We provided a quick overview of the most important directives we can use in Dockerfiles and the command line and the arguments for using them. As the container-image-building process can be tricky, we presented some advanced features and practices we can use to improve our workflow in terms of speed, reusability, and quality.

In the next chapter, we will provide a quick overview of image registries, learn how to store and tag our images in them, and learn how to improve integrity and security by signing and scanning container images.

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