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doc/builders/images/ocitools.xml: Convert to markdown

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Signed-off-by: Bryan A. S <bryanasdev000@gmail.com>
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doc/builders/images.xml
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</para>
<xi:include href="images/appimagetools.xml" />
<xi:include href="images/dockertools.section.xml" />
<xi:include href="images/ocitools.xml" />
<xi:include href="images/ocitools.section.xml" />
<xi:include href="images/snaptools.xml" />
</chapter>

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doc/builders/images/ocitools.section.md Normal file
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# pkgs.ociTools {#sec-pkgs-ociTools}
`pkgs.ociTools` is a set of functions for creating containers according to the [OCI container specification v1.0.0](https://github.com/opencontainers/runtime-spec). Beyond that it makes no assumptions about the container runner you choose to use to run the created container.
## buildContainer {#ssec-pkgs-ociTools-buildContainer}
This function creates a simple OCI container that runs a single command inside of it. An OCI container consists of a `config.json` and a rootfs directory.The nix store of the container will contain all referenced dependencies of the given command.
The parameters of `buildContainer` with an example value are described below:
```nix
buildContainer {
args = [
(with pkgs;
writeScript "run.sh" ''
#!${bash}/bin/bash
exec ${bash}/bin/bash
'').outPath
];
mounts = {
"/data" = {
type = "none";
source = "/var/lib/mydata";
options = [ "bind" ];
};
};
readonly = false;
}
```
- `args` specifies a set of arguments to run inside the container. This is the only required argument for `buildContainer`. All referenced packages inside the derivation will be made available inside the container
- `mounts` specifies additional mount points chosen by the user. By default only a minimal set of necessary filesystems are mounted into the container (e.g procfs, cgroupfs)
- `readonly` makes the container\'s rootfs read-only if it is set to true. The default value is false `false`.

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doc/builders/images/ocitools.xml
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<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
xml:id="sec-pkgs-ociTools">
<title>pkgs.ociTools</title>
<para>
<varname>pkgs.ociTools</varname> is a set of functions for creating containers according to the <link xlink:href="https://github.com/opencontainers/runtime-spec">OCI container specification v1.0.0</link>. Beyond that it makes no assumptions about the container runner you choose to use to run the created container.
</para>
<section xml:id="ssec-pkgs-ociTools-buildContainer">
<title>buildContainer</title>
<para>
This function creates a simple OCI container that runs a single command inside of it. An OCI container consists of a <varname>config.json</varname> and a rootfs directory.The nix store of the container will contain all referenced dependencies of the given command.
</para>
<para>
The parameters of <varname>buildContainer</varname> with an example value are described below:
</para>
<example xml:id='ex-ociTools-buildContainer'>
<title>Build Container</title>
<programlisting>
buildContainer {
args = [ (with pkgs; writeScript "run.sh" ''
#!${bash}/bin/bash
exec ${bash}/bin/bash
'').outPath ]; <co xml:id='ex-ociTools-buildContainer-1' />
mounts = {
"/data" = {
type = "none";
source = "/var/lib/mydata";
options = [ "bind" ];
};
};<co xml:id='ex-ociTools-buildContainer-2' />
readonly = false; <co xml:id='ex-ociTools-buildContainer-3' />
}
</programlisting>
<calloutlist>
<callout arearefs='ex-ociTools-buildContainer-1'>
<para>
<varname>args</varname> specifies a set of arguments to run inside the container. This is the only required argument for <varname>buildContainer</varname>. All referenced packages inside the derivation will be made available inside the container
</para>
</callout>
<callout arearefs='ex-ociTools-buildContainer-2'>
<para>
<varname>mounts</varname> specifies additional mount points chosen by the user. By default only a minimal set of necessary filesystems are mounted into the container (e.g procfs, cgroupfs)
</para>
</callout>
<callout arearefs='ex-ociTools-buildContainer-3'>
<para>
<varname>readonly</varname> makes the container's rootfs read-only if it is set to true. The default value is false <literal>false</literal>.
</para>
</callout>
</calloutlist>
</example>
</section>
</section>