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docker update
The docker update
command dynamically updates container configuration. You can use this command to prevent containers from consuming too many resources from their Docker host
eg : docker update βcpu-shares 512 317e428b3427(share cpu)
docker update --cpu-shares 512 -m 300M 166eb15bcb01(Update a container with cpu-shares and memory)
you can check with the docker inspect 166eb15bcb01 command
docker wait
Start a container in the background.
$ docker run -dit --name=my_container ubuntu bash
Run docker wait
, which should block until the container exits.
$ docker wait my_container
In another terminal, stop the first container. The docker wait
command above returns the exit code.
$ docker stop my_container
This is the same docker wait
command from above, but it now exits, returning 0
.
$ docker wait my_container
0