Depending on your scenario, restarting a failed process might correct the problem. Docker can automatically retry to launch the Docker a specific number of times before it stops trying.

Example

The option --restart=on-failure:# allows you to say how many times Docker should try again. In the example below, Docker will restart the container three times before stopping.

docker run -d --name restart-3 --restart=on-failure:3 scrapbook/docker-restart-example

As we can see from the logs, it was launched on three occasions.

docker logs restart-3

Finally Docker can always restart a failed container, in this case, Docker will keep trying until the container it is explicitly told to stop.

Example

Use the always flag to automatically restart the container when is crashes for example docker run -d --name restart-always --restart=always scrapbook/docker-restart-example

You can view the restart attempting via the log docker logs restart-always