Starting a container

Once we have the images, we can use them to start containers. In this recipe, we will start a container with the ubuntu:latest image and see what happens behind the scenes.

Getting ready

Ensure that the Docker daemon is running on the host and can be connected through the Docker client.

How to do it...

We can start a container using either of the following syntaxes:

docker run [OPTIONS] IMAGE [COMMAND] [ARG...]docker container run [OPTIONS] IMAGE [COMMAND] [ARG...]

Note

The docker container run command is recommended over docker run because, in version 1.13, Docker logically grouped container operations under the docker container management command, and so docker run might be obsolete in the future.

Here is an example of using the docker container run command:

$ docker container run -i -t --name mycontainer ubuntu /bin/bash

By default, Docker picks the image with the latest tag:

• The -interactive or -i option starts the container in interactive mode by keeping the STDIN open
• The...