Book Image

Deployment with Docker

By : Grubor
Book Image

Deployment with Docker

By: Grubor

Overview of this book

Deploying Docker into production is considered to be one of the major pain points in developing large-scale infrastructures, and the documentation available online leaves a lot to be desired. With this book, you will learn everything you wanted to know to effectively scale your deployments globally and build a resilient, scalable, and containerized cloud platform for your own use. The book starts by introducing you to the containerization ecosystem with some concrete and easy-to-digest examples; after that, you will delve into examples of launching multiple instances of the same container. From there, you will cover orchestration, multi-node setups, volumes, and almost every relevant component of this new approach to deploying services. Using intertwined approaches, the book will cover battle-tested tooling, or issues likely to be encountered in real-world scenarios, in detail. You will also learn about the other supporting components required for a true PaaS deployment and discover common options to tie the whole infrastructure together. At the end of the book, you learn to build a small, but functional, PaaS (to appreciate the power of the containerized service approach) and continue to explore real-world approaches to implementing even larger global-scale services.
Table of Contents (18 chapters)
Title Page
Credits
About the Author
Acknowledgments
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
Index

Chapter 3. Service Decomposition

This chapter will cover how to take the knowledge from the previous chapter and use it to create and build an addition of a database and an application server container, since real-world services are usually composed in such a way. Once we get them all built up, we will see what is needed in order to group them together into a more usable service and cover even of more Docker under the hood.

In this chapter, we will cover the following topics:

  • A quick review of Docker commands
  • Writing a real service with:
    • A web server service
    • An application service
    • A database
  • Introducing volumes
  • Security considerations for credential passing