Basic usage – running a container

We won't delve too deeply into running Docker as a separate tool. Our focus in this chapter is on using Docker to provision a Vagrant machine, which it does inside Vagrant during the boot up process. We will learn a few basic Docker commands—mainly those that are used during provisioning—to give you a better understanding of what is happening. 

If you are unsure of what specific command you need or would like to learn more, then you can run the docker command, which will list all available commands. This will show you the usage, command options, management commands, and general commands.

Note

Please note: you must have Docker installed to run these commands, or you will get an error.

pull

To pull an image down from the Docker Hub, you can use the docker pull command. An example of this command would be pulling down the nginx image by running the following:

docker pull nginx

This will result in an output similar to the one shown in the following screenshot:

We can...