Overview of a Simple App

Let's look at the compose file of an app we will deploy using the Docker stack.

The sample app

The figure below shows the application we'll use for the rest of the chapter. It's a multi-container microservices application with:

  • Two services (web-fe and redis)

  • An encrypted overlay network (counter-net)

  • A volume (counter-vol)

  • A published port (5001)

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