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DockerCLI/docs/reference/commandline/network_prune.md

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network prune

Remove all unused networks

Options

Name Type Default Description
--filter filter Provide filter values (e.g. until=<timestamp>)
-f, --force bool Do not prompt for confirmation

Description

Remove all unused networks. Unused networks are those which are not referenced by any containers.

Examples

$ docker network prune

WARNING! This will remove all custom networks not used by at least one container.
Are you sure you want to continue? [y/N] y
Deleted Networks:
n1
n2

Filtering (--filter)

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:

  • until (<timestamp>) - only remove networks created before given timestamp
  • label (label=<key>, label=<key>=<value>, label!=<key>, or label!=<key>=<value>) - only remove networks 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 machine’s 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 networks with the specified labels. The other format is the label!=... (label!=<key> or label!=<key>=<value>), which removes networks without the specified labels.

The following removes networks created more than 5 minutes ago. Note that system networks such as bridge, host, and none will never be pruned:

$ docker network ls

NETWORK ID          NAME                DRIVER              SCOPE
7430df902d7a        bridge              bridge              local
ea92373fd499        foo-1-day-ago       bridge              local
ab53663ed3c7        foo-1-min-ago       bridge              local
97b91972bc3b        host                host                local
f949d337b1f5        none                null                local

$ docker network prune --force --filter until=5m

Deleted Networks:
foo-1-day-ago

$ docker network ls

NETWORK ID          NAME                DRIVER              SCOPE
7430df902d7a        bridge              bridge              local
ab53663ed3c7        foo-1-min-ago       bridge              local
97b91972bc3b        host                host                local
f949d337b1f5        none                null                local

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