docker system prune [OPTIONS]
Remove all unused containers, networks, images (both dangling and unused), and optionally, volumes.
Option Default Description-a, --all Remove all unused images not just dangling ones --filter API 1.28+ Provide filter values (e.g. label=<key>=<value>) -f, --force Do not prompt for confirmation --volumes Prune anonymous volumes
By default, volumes aren't removed to prevent important data from being deleted if there is currently no container using the volume. Use the --volumes flag when running the command to prune anonymous volumes as well:
The filtering flag (--filter) format is of "key=value". If there is more than one filter, then pass multiple flags (e.g., --filter "foo=bar" --filter "bif=baz")
The currently supported filters are:
<timestamp>) - only remove containers, images, and networks created before given timestamplabel=<key>, label=<key>=<value>, label!=<key>, or label!=<key>=<value>) - only remove containers, images, networks, and volumes with (or without, in case label!=... is used) the specified labels.The until filter can be Unix timestamps, date formatted timestamps, or Go duration strings supported by ParseDuration (e.g. 10m, 1h30m) computed relative to the daemon machineâs time. Supported formats for date formatted time stamps include RFC3339Nano, RFC3339, 2006-01-02T15:04:05, 2006-01-02T15:04:05.999999999, 2006-01-02T07:00, and 2006-01-02. The local timezone on the daemon will be used if you do not provide either a Z or a +-00:00 timezone offset at the end of the timestamp. When providing Unix timestamps enter seconds[.nanoseconds], where seconds is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (aka Unix epoch or Unix time), and the optional .nanoseconds field is a fraction of a second no more than nine digits long.
The label filter accepts two formats. One is the label=... (label=<key> or label=<key>=<value>), which removes containers, images, networks, and volumes with the specified labels. The other format is the label!=... (label!=<key> or label!=<key>=<value>), which removes containers, images, networks, and volumes without the specified labels.
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