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Merge pull request #3837 from dvdksn/docs/update-run-reference 

Docs: update run reference
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@ -15,137 +15,106 @@ Aliases:
docker container run, docker run docker container run, docker run
Options: Options:
--add-host value Add a custom host-to-IP mapping (host:ip) (default []) --add-host list Add a custom host-to-IP mapping (host:ip)
-a, --attach value Attach to STDIN, STDOUT or STDERR (default []) -a, --attach list Attach to STDIN, STDOUT or STDERR
--blkio-weight value Block IO (relative weight), between 10 and 1000 --blkio-weight uint16 Block IO (relative weight), between 10 and 1000, or 0 to disable (default 0)
--blkio-weight-device value Block IO weight (relative device weight) (default []) --blkio-weight-device list Block IO weight (relative device weight) (default [])
--cap-add value Add Linux capabilities (default []) --cap-add list Add Linux capabilities
--cap-drop value Drop Linux capabilities (default []) --cap-drop list Drop Linux capabilities
--cgroupns string Cgroup namespace to use --cgroup-parent string Optional parent cgroup for the container
'host': Run the container in the Docker host's cgroup namespace --cgroupns string Cgroup namespace to use (host|private)
'private': Run the container in its own private cgroup namespace 'host': Run the container in the Docker host's cgroup namespace
'': Use the default Docker daemon cgroup namespace specified by the `--default-cgroupns-mode` option 'private': Run the container in its own private cgroup namespace
--cgroup-parent string Optional parent cgroup for the container '': Use the cgroup namespace as configured by the
--cidfile string Write the container ID to the file default-cgroupns-mode option on the daemon (default)
--cpu-count int The number of CPUs available for execution by the container. --cidfile string Write the container ID to the file
Windows daemon only. On Windows Server containers, this is --cpu-period int Limit CPU CFS (Completely Fair Scheduler) period
approximated as a percentage of total CPU usage. --cpu-quota int Limit CPU CFS (Completely Fair Scheduler) quota
--cpu-percent int Limit percentage of CPU available for execution --cpu-rt-period int Limit CPU real-time period in microseconds
by the container. Windows daemon only. --cpu-rt-runtime int Limit CPU real-time runtime in microseconds
The processor resource controls are mutually -c, --cpu-shares int CPU shares (relative weight)
exclusive, the order of precedence is CPUCount --cpus decimal Number of CPUs
first, then CPUShares, and CPUPercent last. --cpuset-cpus string CPUs in which to allow execution (0-3, 0,1)
--cpu-period int Limit CPU CFS (Completely Fair Scheduler) period --cpuset-mems string MEMs in which to allow execution (0-3, 0,1)
--cpu-quota int Limit CPU CFS (Completely Fair Scheduler) quota -d, --detach Run container in background and print container ID
-c, --cpu-shares int CPU shares (relative weight) --detach-keys string Override the key sequence for detaching a container
--cpus NanoCPUs Number of CPUs (default 0.000) --device list Add a host device to the container
--cpu-rt-period int Limit the CPU real-time period in microseconds --device-cgroup-rule list Add a rule to the cgroup allowed devices list
--cpu-rt-runtime int Limit the CPU real-time runtime in microseconds --device-read-bps list Limit read rate (bytes per second) from a device (default [])
--cpuset-cpus string CPUs in which to allow execution (0-3, 0,1) --device-read-iops list Limit read rate (IO per second) from a device (default [])
--cpuset-mems string MEMs in which to allow execution (0-3, 0,1) --device-write-bps list Limit write rate (bytes per second) to a device (default [])
-d, --detach Run container in background and print container ID --device-write-iops list Limit write rate (IO per second) to a device (default [])
--detach-keys string Override the key sequence for detaching a container --disable-content-trust Skip image verification (default true)
--device value Add a host device to the container (default []) --dns list Set custom DNS servers
--device-cgroup-rule value Add a rule to the cgroup allowed devices list --dns-option list Set DNS options
--device-read-bps value Limit read rate (bytes per second) from a device (default []) --dns-search list Set custom DNS search domains
--device-read-iops value Limit read rate (IO per second) from a device (default []) --domainname string Container NIS domain name
--device-write-bps value Limit write rate (bytes per second) to a device (default []) --entrypoint string Overwrite the default ENTRYPOINT of the image
--device-write-iops value Limit write rate (IO per second) to a device (default []) -e, --env list Set environment variables
--disable-content-trust Skip image verification (default true) --env-file list Read in a file of environment variables
--dns value Set custom DNS servers (default []) --expose list Expose a port or a range of ports
--dns-option value Set DNS options (default []) --gpus gpu-request GPU devices to add to the container ('all' to pass all GPUs)
--dns-search value Set custom DNS search domains (default []) --group-add list Add additional groups to join
--domainname string Container NIS domain name --health-cmd string Command to run to check health
--entrypoint string Overwrite the default ENTRYPOINT of the image --health-interval duration Time between running the check (ms|s|m|h) (default 0s)
-e, --env value Set environment variables (default []) --health-retries int Consecutive failures needed to report unhealthy
--env-file value Read in a file of environment variables (default []) --health-start-period duration Start period for the container to initialize before starting health-retries countdown (ms|s|m|h) (default 0s)
--expose value Expose a port or a range of ports (default []) --health-timeout duration Maximum time to allow one check to run (ms|s|m|h) (default 0s)
--group-add value Add additional groups to join (default []) --help Print usage
--health-cmd string Command to run to check health -h, --hostname string Container host name
--health-interval duration Time between running the check (ns|us|ms|s|m|h) (default 0s) --init Run an init inside the container that forwards signals and reaps processes
--health-retries int Consecutive failures needed to report unhealthy -i, --interactive Keep STDIN open even if not attached
--health-timeout duration Maximum time to allow one check to run (ns|us|ms|s|m|h) (default 0s) --ip string IPv4 address (e.g., 172.30.100.104)
--health-start-period duration Start period for the container to initialize before counting retries towards unstable (ns|us|ms|s|m|h) (default 0s) --ip6 string IPv6 address (e.g., 2001:db8::33)
--help Print usage --ipc string IPC mode to use
-h, --hostname string Container host name --isolation string Container isolation technology
--init Run an init inside the container that forwards signals and reaps processes --kernel-memory bytes Kernel memory limit
-i, --interactive Keep STDIN open even if not attached -l, --label list Set meta data on a container
--io-maxbandwidth string Maximum IO bandwidth limit for the system drive (Windows only) --label-file list Read in a line delimited file of labels
(Windows only). The format is `<number><unit>`. --link list Add link to another container
Unit is optional and can be `b` (bytes per second), --link-local-ip list Container IPv4/IPv6 link-local addresses
`k` (kilobytes per second), `m` (megabytes per second), --log-driver string Logging driver for the container
or `g` (gigabytes per second). If you omit the unit, --log-opt list Log driver options
the system uses bytes per second. --mac-address string Container MAC address (e.g., 92:d0:c6:0a:29:33)
--io-maxbandwidth and --io-maxiops are mutually exclusive options. -m, --memory bytes Memory limit
--io-maxiops uint Maximum IOps limit for the system drive (Windows only) --memory-reservation bytes Memory soft limit
--ip string IPv4 address (e.g., 172.30.100.104) --memory-swap bytes Swap limit equal to memory plus swap: '-1' to enable unlimited swap
--ip6 string IPv6 address (e.g., 2001:db8::33) --memory-swappiness int Tune container memory swappiness (0 to 100) (default -1)
--ipc string IPC namespace to use --mount mount Attach a filesystem mount to the container
--isolation string Container isolation technology --name string Assign a name to the container
--kernel-memory string Kernel memory limit --network network Connect a container to a network
-l, --label value Set meta data on a container (default []) --network-alias list Add network-scoped alias for the container
--label-file value Read in a line delimited file of labels (default []) --no-healthcheck Disable any container-specified HEALTHCHECK
--link value Add link to another container (default []) --oom-kill-disable Disable OOM Killer
--link-local-ip value Container IPv4/IPv6 link-local addresses (default []) --oom-score-adj int Tune host's OOM preferences (-1000 to 1000)
--log-driver string Logging driver for the container --pid string PID namespace to use
--log-opt value Log driver options (default []) --pids-limit int Tune container pids limit (set -1 for unlimited)
--mac-address string Container MAC address (e.g., 92:d0:c6:0a:29:33) --platform string Set platform if server is multi-platform capable
-m, --memory string Memory limit --privileged Give extended privileges to this container
--memory-reservation string Memory soft limit -p, --publish list Publish a container's port(s) to the host
--memory-swap string Swap limit equal to memory plus swap: '-1' to enable unlimited swap -P, --publish-all Publish all exposed ports to random ports
--memory-swappiness int Tune container memory swappiness (0 to 100) (default -1) --pull string Pull image before running ("always"|"missing"|"never") (default "missing")
--mount value Attach a filesystem mount to the container (default []) --read-only Mount the container's root filesystem as read only
--name string Assign a name to the container --restart string Restart policy to apply when a container exits (default "no")
--network-alias value Add network-scoped alias for the container (default []) --rm Automatically remove the container when it exits
--network string Connect a container to a network --runtime string Runtime to use for this container
'bridge': create a network stack on the default Docker bridge --security-opt list Security Options
'none': no networking --shm-size bytes Size of /dev/shm
'container:<name|id>': reuse another container's network stack --sig-proxy Proxy received signals to the process (default true)
'host': use the Docker host network stack --stop-signal string Signal to stop a container (default "SIGTERM")
'<network-name>|<network-id>': connect to a user-defined network --stop-timeout int Timeout (in seconds) to stop a container
--no-healthcheck Disable any container-specified HEALTHCHECK --storage-opt list Storage driver options for the container
--oom-kill-disable Disable OOM Killer --sysctl map Sysctl options (default map[])
--oom-score-adj int Tune host's OOM preferences (-1000 to 1000) --tmpfs list Mount a tmpfs directory
--pid string PID namespace to use -t, --tty Allocate a pseudo-TTY
--pids-limit int Tune container pids limit (set -1 for unlimited) --ulimit ulimit Ulimit options (default [])
--privileged Give extended privileges to this container -u, --user string Username or UID (format: <name|uid>[:<group|gid>])
-p, --publish value Publish a container's port(s) to the host (default []) --userns string User namespace to use
-P, --publish-all Publish all exposed ports to random ports --uts string UTS namespace to use
--pull string Pull image before running ("always"|"missing"|"never") (default "missing") -v, --volume list Bind mount a volume
-q, --quiet Suppress the pull output --volume-driver string Optional volume driver for the container
--read-only Mount the container's root filesystem as read only --volumes-from list Mount volumes from the specified container(s)
--restart string Restart policy to apply when a container exits (default "no") -w, --workdir string Working directory inside the container
Possible values are : no, on-failure[:max-retry], always, unless-stopped
--rm Automatically remove the container when it exits
--runtime string Runtime to use for this container
--security-opt value Security Options (default [])
--shm-size bytes Size of /dev/shm
The format is `<number><unit>`. `number` must be greater than `0`.
Unit is optional and can be `b` (bytes), `k` (kilobytes), `m` (megabytes),
or `g` (gigabytes). If you omit the unit, the system uses bytes.
--sig-proxy Proxy received signals to the process (default true)
--stop-signal string Signal to stop the container
--stop-timeout int Timeout (in seconds) to stop a container
--storage-opt value Storage driver options for the container (default [])
--sysctl value Sysctl options (default map[])
--tmpfs value Mount a tmpfs directory (default [])
-t, --tty Allocate a pseudo-TTY
--ulimit value Ulimit options (default [])
-u, --user string Username or UID (format: <name|uid>[:<group|gid>])
--userns string User namespace to use
'host': Use the Docker host user namespace
'': Use the Docker daemon user namespace specified by `--userns-remap` option.
--uts string UTS namespace to use
-v, --volume value Bind mount a volume (default []). The format
is `[host-src:]container-dest[:<options>]`.
The comma-delimited `options` are [rw|ro],
[z|Z], [[r]shared|[r]slave|[r]private],
[delegated|cached|consistent], and
[nocopy]. The 'host-src' is an absolute path
or a name value.
--volume-driver string Optional volume driver for the container
--volumes-from value Mount volumes from the specified container(s) (default [])
-w, --workdir string Working directory inside the container
``` ```
## Description ## Description
@ -157,9 +126,6 @@ specified image, and then `starts` it using the specified command. That is,
previous changes intact using `docker start`. See `docker ps -a` to view a list previous changes intact using `docker start`. See `docker ps -a` to view a list
of all containers. of all containers.
The `docker run` command can be used in combination with `docker commit` to
[*change the command that a container runs*](commit.md). There is additional detailed information about `docker run` in the [Docker run reference](../run.md).
For information on connecting a container to a network, see the ["*Docker network overview*"](https://docs.docker.com/network/). For information on connecting a container to a network, see the ["*Docker network overview*"](https://docs.docker.com/network/).
## Examples ## Examples
@ -234,14 +200,14 @@ The `-w` lets the command being executed inside directory given, here
$ docker run -it --storage-opt size=120G fedora /bin/bash $ docker run -it --storage-opt size=120G fedora /bin/bash
``` ```
This (size) will allow to set the container rootfs size to 120G at creation time. This (size) will allow to set the container filesystem size to 120G at creation time.
This option is only available for the `devicemapper`, `btrfs`, `overlay2`, This option is only available for the `devicemapper`, `btrfs`, `overlay2`,
`windowsfilter` and `zfs` graph drivers. `windowsfilter` and `zfs` graph drivers.
For the `devicemapper`, `btrfs`, `windowsfilter` and `zfs` graph drivers, For the `devicemapper`, `btrfs`, `windowsfilter` and `zfs` graph drivers,
user cannot pass a size less than the Default BaseFS Size. user cannot pass a size less than the Default BaseFS Size.
For the `overlay2` storage driver, the size option is only available if the For the `overlay2` storage driver, the size option is only available if the
backing fs is `xfs` and mounted with the `pquota` mount option. backing filesystem is `xfs` and mounted with the `pquota` mount option.
Under these conditions, user can pass any size less than the backing fs size. Under these conditions, user can pass any size less than the backing filesystem size.
### <a name=tmpfs></a> Mount tmpfs (--tmpfs) ### <a name=tmpfs></a> Mount tmpfs (--tmpfs)
@ -286,8 +252,8 @@ specified volumes for the container.
$ docker run -t -i -v /var/run/docker.sock:/var/run/docker.sock -v /path/to/static-docker-binary:/usr/bin/docker busybox sh $ docker run -t -i -v /var/run/docker.sock:/var/run/docker.sock -v /path/to/static-docker-binary:/usr/bin/docker busybox sh
``` ```
By bind-mounting the docker unix socket and statically linked docker By bind-mounting the Docker Unix socket and statically linked Docker
binary (refer to [get the linux binary](https://docs.docker.com/engine/install/binaries/#install-static-binaries)), binary (refer to [get the Linux binary](https://docs.docker.com/engine/install/binaries/#install-static-binaries)),
you give the container the full access to create and manipulate the host's you give the container the full access to create and manipulate the host's
Docker daemon. Docker daemon.
@ -326,7 +292,7 @@ mounts in a container.
The `--mount` flag supports most options that are supported by the `-v` or the The `--mount` flag supports most options that are supported by the `-v` or the
`--volume` flag, but uses a different syntax. For in-depth information on the `--volume` flag, but uses a different syntax. For in-depth information on the
`--mount` flag, and a comparison between `--volume` and `--mount`, refer to `--mount` flag, and a comparison between `--volume` and `--mount`, refer to
the [service create command reference](service_create.md#add-bind-mounts-volumes-or-memory-filesystems). [Bind mounts](https://docs.docker.com/storage/bind-mounts/).
Even though there is no plan to deprecate `--volume`, usage of `--mount` is recommended. Even though there is no plan to deprecate `--volume`, usage of `--mount` is recommended.
@ -378,7 +344,7 @@ The `--pull` flag can take one of these values:
When creating (and running) a container from an image, the daemon checks if the When creating (and running) a container from an image, the daemon checks if the
image exists in the local image cache. If the image is missing, an error is image exists in the local image cache. If the image is missing, an error is
returned to the cli, allowing it to initiate a pull. returned to the CLI, allowing it to initiate a pull.
The default (`missing`) is to only pull the image if it is not present in the The default (`missing`) is to only pull the image if it is not present in the
daemon's image cache. This default allows you to run images that only exist daemon's image cache. This default allows you to run images that only exist
@ -501,9 +467,11 @@ the Docker User Guide.
### <a name=network></a> Connect a container to a network (--network) ### <a name=network></a> Connect a container to a network (--network)
When you start a container use the `--network` flag to connect it to a network. When you start a container use the `--network` flag to connect it to a network.
This adds the `busybox` container to the `my-net` network. The following commands create a network named `my-net`, and adds a `busybox` container
to the `my-net` network.
```console ```console
$ docker network create my-net
$ docker run -itd --network=my-net busybox $ docker run -itd --network=my-net busybox
``` ```
@ -524,9 +492,9 @@ from different Engines can also communicate in this way.
> **Note** > **Note**
> >
> Service discovery is unavailable on the default bridge network. Containers can > The default bridge network only allow containers to communicate with each other using
> communicate via their IP addresses by default. To communicate by name, they > internal IP addresses. User-created bridge networks provide DNS resolution between
> must be linked. > containers using container names.
You can disconnect a container from a network using the `docker network You can disconnect a container from a network using the `docker network
disconnect` command. disconnect` command.
@ -582,12 +550,14 @@ still store what's been written to `STDERR` and `STDOUT`.
$ cat somefile | docker run -i -a stdin mybuilder dobuild $ cat somefile | docker run -i -a stdin mybuilder dobuild
``` ```
This is how piping a file into a container could be done for a build. This is a way of using `--attach` to pipe a build file into a container.
The container's ID will be printed after the build is done and the build The container's ID will be printed after the build is done and the build
logs could be retrieved using `docker logs`. This is logs could be retrieved using `docker logs`. This is
useful if you need to pipe a file or something else into a container and useful if you need to pipe a file or something else into a container and
retrieve the container's ID once the container has finished running. retrieve the container's ID once the container has finished running.
See also [the `docker cp` command](/engine/reference/commandline/cp/).
### <a name=device></a> Add host device to container (--device) ### <a name=device></a> Add host device to container (--device)
```console ```console
@ -687,7 +657,7 @@ install [nvidia-container-runtime](https://nvidia.github.io/nvidia-container-run
Visit [Specify a container's resources](https://docs.docker.com/config/containers/resource_constraints/) Visit [Specify a container's resources](https://docs.docker.com/config/containers/resource_constraints/)
for more information. for more information.
To use `--gpus`, specify which GPUs (or all) to use. If no value is provied, all To use `--gpus`, specify which GPUs (or all) to use. If no value is provided, all
available GPUs are used. The example below exposes all available GPUs. available GPUs are used. The example below exposes all available GPUs.
```console ```console
@ -798,7 +768,7 @@ Docker doesn't perform any byte conversion. Take this into account when setting
#### For `nproc` usage #### For `nproc` usage
Be careful setting `nproc` with the `ulimit` flag as `nproc` is designed by Linux to set the Be careful setting `nproc` with the `ulimit` flag as `nproc` is designed by Linux to set the
maximum number of processes available to a user, not to a container. For example, start four maximum number of processes available to a user, not to a container. For example, start four
containers with `daemon` user: containers with `daemon` user:
```console ```console
@ -864,8 +834,8 @@ On Windows, `--isolation` can take one of these values:
| `hyperv` | Hyper-V hypervisor partition-based isolation. | | `hyperv` | Hyper-V hypervisor partition-based isolation. |
The default isolation on Windows server operating systems is `process`, and `hyperv` The default isolation on Windows server operating systems is `process`, and `hyperv`
on Windows client operating systems, such as Windows 10. Process isolation is more on Windows client operating systems, such as Windows 10. Process isolation has better
performant, but requires the image to performance, but requires that the image and host use the same kernel version.
On Windows server, assuming the default configuration, these commands are equivalent On Windows server, assuming the default configuration, these commands are equivalent
and result in `process` isolation: and result in `process` isolation: