July 2024
Intermediate to advanced
116 pages
1h 41m
English
Content preview from Getting Started with Docker
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4: Containerizing an application
Docker is all about the apps!
In this chapter, we’ll containerize a Node.js app and run it in a container.
You do not need to be a Node.js developer.
We’ll divide the chapter as follows:
- Pre-reqs
- Overview of the app
- Test the app
- Containerize the app
- Test the containerized app
Pre-reqs
You’ll need all of the following if you plan on following along:
- An up-to-date Docker environment
- A clone of the book’s GitHub repo
- Node.js (optional)
This chapter uses the new docker init command which is only available on Docker Desktop. Don’t worry though, I’ve included a copy of the Dockerfile in the GitHub repo so that you can follow along if you don’t have Docker Desktop. I’ll explain what to do when the time comes.
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