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runk: Add Docker guide to README

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`runk` can launch containers using Docker, so add the guide
to it's README.

```sh
$ sudo dockerd --experimental --add-runtime="runk=/usr/local/bin/runk"
$ sudo docker run -it --rm --runtime runk busybox echo hello runk
hello runk
```

Fixes: #7431

Signed-off-by: Manabu Sugimoto <Manabu.Sugimoto@sony.com>
This commit is contained in:
Manabu Sugimoto 2023-07-25 15:28:56 +09:00
parent b11d618a3f
commit ff4cfcd8a2
1 changed files with 27 additions and 1 deletions
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28
src/tools/runk/README.md
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@ -175,6 +175,32 @@ $ sudo runk state test
$ sudo runk delete test
```
## Using `runk` from `Docker`
`runk` can run containers using [`Docker`](https://github.com/docker).
First, install `Docker` from package by following the
[`Docker` installation instructions](https://docs.docker.com/engine/install/).
### Running a container with `Docker` command line
Start the docker daemon:
```bash
$ sudo dockerd --experimental --add-runtime="runk=/usr/local/bin/runk"
```
> **Note:**
> Before starting the `dockerd`, you need to stop the normal docker daemon
> running on your environment (i.e., `systemctl stop docker`).
Launch a container in a different terminal:
```bash
$ sudo docker run -it --rm --runtime runk busybox sh
/ #
```
## Using `runk` from `Podman`
`runk` can run containers using [`Podman`](https://github.com/containers/podman).
@ -192,7 +218,7 @@ $ sudo podman --runtime /usr/local/bin/runk run -it --rm busybox sh
> **Note:**
> `runk` does not support some commands except
> [OCI standard operations](https://github.com/opencontainers/runtime-spec/blob/main/runtime.md#operations)
> yet, so those commands do not work in `Podman`. Regarding commands currently
> yet, so those commands do not work in `Docker/Podman`. Regarding commands currently
> implemented in `runk`, see the [Status of `runk`](#status-of-runk) section.
## Using `runk` from `containerd`