6: Multi-container apps with Compose
If you’ve been following along, you’ve containerized an app, pushed it to a registry, and run it as a container. However, most real-world apps are a lot more complicated and consist of many different containers working together. We call these multi-container apps or microservices apps.
In this chapter, you’ll use Docker Compose to deploy and manage a simple multi-container app. The goal is for you to understand the fundamentals of multi-container apps and gain some hands-on experience with Compose.
I’ve divided the chapter into the following sections:
- Overview of the app
- The Compose file
- Deploy the app
- Manage the app
Overview of the app
The application we’re about to deploy has two containers (microservices): ...
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