Merge pull request #748 from runcom/readme
README.md: simplify Docker image example
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@ -90,12 +90,10 @@ It assumes that the file-system is found in a directory called
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To test using Docker's `busybox` image follow these steps:
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* Install `docker` and download the `busybox` image: `docker pull busybox`
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* Create a container from that image and export its contents to a tar file:
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`docker export $(docker create busybox) > busybox.tar`
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* Untar the contents to create your filesystem directory:
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* Create a container from that image and export its contents in a directory:
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```
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mkdir rootfs
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tar -C rootfs -xf busybox.tar
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docker export $(docker create busybox) | tar -C rootfs -xvf -
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```
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* Create `config.json` by using `runc spec`.
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* Execute `runc start` and you should be placed into a shell where you can run `ps`:
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