Chapter 5, Docker Compose

Here are some sample answers to the questions presented in this chapter:

1. YAML, or YAML Ain’t Markup Language.
2. The restart flag is the same as the --restart flag.
3. False; you can use Docker Compose to build images at runtime.
4. By default, Docker Compose uses the name of the folder that the Docker Compose file is stored in.
5. You use the -d flag to start the container’s detached mode.
6. Using the docker-compose config command will expose any syntax errors within your Docker Compose file.
7. The Docker App bundles your Docker Compose file into a small Docker image, which can be shared via Docker Hub or other registries, the Docker app command-line tool then can render working Docker Compose files from the data contained within the image.