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44 lines
1.1 KiB
Nix
44 lines
1.1 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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{
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config = mkIf config.boot.isContainer {
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# Disable some features that are not useful in a container.
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# containers don't have a kernel
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boot.kernel.enable = false;
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boot.modprobeConfig.enable = false;
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console.enable = mkDefault false;
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nix.optimise.automatic = mkDefault false; # the store is host managed
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powerManagement.enable = mkDefault false;
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documentation.nixos.enable = mkDefault false;
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networking.useHostResolvConf = mkDefault true;
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# Containers should be light-weight, so start sshd on demand.
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services.openssh.startWhenNeeded = mkDefault true;
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# containers do not need to setup devices
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services.udev.enable = false;
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# containers normally do not need to manage logical volumes
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services.lvm.enable = lib.mkDefault false;
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# Shut up warnings about not having a boot loader.
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system.build.installBootLoader = lib.mkDefault "${pkgs.coreutils}/bin/true";
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# Not supported in systemd-nspawn containers.
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security.audit.enable = false;
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# Use the host's nix-daemon.
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environment.variables.NIX_REMOTE = "daemon";
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};
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}
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