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43 lines
2.2 KiB
Markdown
43 lines
2.2 KiB
Markdown
# docker run
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Run will create a new container and execute commands in the specified image. An image is a packaged up filesystem that you have built
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or that you pull from a registry such as Docker Hub.
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You can either use run to create an interactive session, or run a container in the background and read the output or connect to it
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later.
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To create an interactive container, use `docker run --interactive --tty ...` or in short form `docker run -it ...`, for example
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`docker run -it ubuntu` will give you an interactive session inside an Ubuntu image. To specify a command other than the default
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for the image (which is to run `bash` in the case of Ubuntu), specify the command after the image name, for example
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`docker run ubuntu ls`.
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```
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docker run [OPTIONS] _image_ [COMMAND] [ARG...]
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```
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## Options
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```
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--name string Assign a name to the container; a default will be given otherwise
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-d, --detach Run container in background and print container ID
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-i, --interactive Keep STDIN open even if not attached
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-e, --env list Set environment variables
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-l, --label list Set metadata on a container
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--rm Automatically remove the container when it exits
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-w, --workdir string Working directory inside the container
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-h, --hostname string Container host name
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-m, --memory bytes Memory limit
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--cpus Number of CPUs to allocate, approximately
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-p, --publish list Publish a container's port(s) to the host
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-P, --publish-all Publish all exposed ports to random ports
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--restart string Restart policy to apply when a container exits (default "no")
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--entrypoint string Overwrite the default ENTRYPOINT of the image
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--mount mount Attach a filesystem mount to the container
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-v, --volume list Bind mount a volume
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TODO net, profile, logger (d2 options) need to align with d2 and clouds
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TODO I think --cpus is perhaps the best measure for eg clouds etc, but would need converting to cgroups measures for Linux.
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```
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