Answers

Here are some sample answers to the questions of Chapter 11:

1. Docker Compose is a tool for defining and running multi-container Docker applications. It allows you to define the services that make up your application in a YAML file, and then run and manage those services with a single command.
2. A Docker Compose file is a YAML file that defines the services that make up a Docker application, along with any associated configuration options. Some of the key elements that a Docker Compose file can contain include the following:
   • version: The version of the Docker Compose file syntax to use. This field is mandatory.
   • services: A list of the services that make up the application, along with any associated configuration options.
   • ports: A list of ports that need to be opened for the respective service and mapped to a corresponding container port.
   • networks: Any custom networks that need to be created for the application. Note that a service can be attached to more than one network...