Painless Docker - 2nd Edition

Restarting Containers

Managing the lifecycle of containers often involves restarting them. You can restart a container using the docker restart command. Here is an example:

# Create and run an Nginx container
docker run -d --name my_nginx nginx

You should see a long alphanumeric string as the output:

Example:

5a9c835bb0ba1c3e3f61d351f7899622af51d169f4367c7dd65d58c04746366b

This is the long ID of the container. You can use the first one, two, or more characters of this ID to reference the container (as long as it is unique). For example: