Question 82443 in Docker Question posted in
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Docker run not recognizing –rm

I am trying to set up a docker container that automatically deletes itself when done. I see there is a command to do this built into docker with the –rm flag.

I have my image and can build a container and run a job from an azure agent in it. The only thing left to do is to have it clean up after itself.

Here is the command I use to run it:

docker run -e SOMESTUFF dockeragent:latest --once --rm

And this is the error I get:

docker : Unrecognized command-line input arguments: 'rm'. For usage refer to: .config.cmd --help or ./config.sh --help
At line:1 char:1

Why can it not recognize the input rm?
https://docs.docker.com/engine/reference/run/#clean-up—rm

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2

Answers


  1. 0

    The syntax for the command is

    $ docker run [OPTIONS] IMAGE[:TAG|@DIGEST] [COMMAND] [ARG...]

    So it should be

    docker run ... --rm ... dockeragent:latest SOMESTUFF
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  2. 0

    All flags should come before the container name:

    $ docker run --rm -e SOMESTUFF dockeragent:latest ...

    everything that comes after the image name is passed as an argument to the entrypoint

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