mirror of https://github.com/docker/cli.git
56 lines
2.3 KiB
Markdown
56 lines
2.3 KiB
Markdown
# restart
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<!---MARKER_GEN_START-->
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Restart one or more containers
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### Aliases
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`docker container restart`, `docker restart`
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### Options
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| Name | Type | Default | Description |
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|:---------------------------------------|:---------|:--------|:---------------------------------------------|
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| [`-s`](#signal), [`--signal`](#signal) | `string` | | Signal to send to the container |
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| [`-t`](#time), [`--time`](#time) | `int` | `0` | Seconds to wait before killing the container |
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<!---MARKER_GEN_END-->
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## Examples
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```console
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$ docker restart my_container
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```
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### <a name="signal"></a> Stop container with signal (-s, --signal)
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The `--signal` flag sends the system call signal to the container to exit.
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This signal can be a signal name in the format `SIG<NAME>`, for instance
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`SIGKILL`, or an unsigned number that matches a position in the kernel's
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syscall table, for instance `9`. Refer to [signal(7)](https://man7.org/linux/man-pages/man7/signal.7.html)
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for available signals.
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The default signal to use is defined by the image's [`StopSignal`](https://github.com/opencontainers/image-spec/blob/v1.1.0/config.md),
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which can be set through the [`STOPSIGNAL`](https://docs.docker.com/reference/dockerfile/#stopsignal)
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Dockerfile instruction when building the image, or configured using the
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[`--stop-signal`](https://docs.docker.com/reference/cli/docker/container/run/#stop-signal)
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option when creating the container. If no signal is configured for the
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container, `SIGTERM` is used as default.
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### <a name="time"></a> Stop container with timeout (-t, --timeout)
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The `--time` flag sets the number of seconds to wait for the container
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to stop after sending the pre-defined (see [`--signal`]{#signal)) system call signal.
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If the container does not exit after the timeout elapses, it's forcibly killed
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with a `SIGKILL` signal.
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If you set `--time` to `-1`, no timeout is applied, and the daemon
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waits indefinitely for the container to exit.
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The default timeout can be specified using the [`--stop-timeout`](https://docs.docker.com/reference/cli/docker/container/run/#stop-timeout)
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option when creating the container. If no default is configured for the container,
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the Daemon determines the default, and is 10 seconds for Linux containers, and
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30 seconds for Windows containers.
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