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35 lines
1.5 KiB
XML
35 lines
1.5 KiB
XML
<chapter xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="ch-containers">
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<title>Container Management</title>
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<para>
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NixOS allows you to easily run other NixOS instances as
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<emphasis>containers</emphasis>. Containers are a light-weight approach to
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virtualisation that runs software in the container at the same speed as in
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the host system. NixOS containers share the Nix store of the host, making
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container creation very efficient.
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</para>
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<warning>
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<para>
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Currently, NixOS containers are not perfectly isolated from the host system.
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This means that a user with root access to the container can do things that
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affect the host. So you should not give container root access to untrusted
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users.
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</para>
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</warning>
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<para>
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NixOS containers can be created in two ways: imperatively, using the command
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<command>nixos-container</command>, and declaratively, by specifying them in
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your <filename>configuration.nix</filename>. The declarative approach implies
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that containers get upgraded along with your host system when you run
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<command>nixos-rebuild</command>, which is often not what you want. By
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contrast, in the imperative approach, containers are configured and updated
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independently from the host system.
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</para>
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<xi:include href="imperative-containers.xml" />
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<xi:include href="declarative-containers.xml" />
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<xi:include href="container-networking.xml" />
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</chapter>
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