{
  self,
  nixpkgs,
  ...
}:
nixpkgs.lib.extend (
  _final: prev: let
    inherit (prev) mkIf;
  in {
    extensions = {
      createVm = {
        name,
        system ? nixpkgs.system,
      }: config: {microvm, ...}: {
        imports = [microvm.host];
        microvm.hypervisor = "cloud-hypervisor";
        microvm.vms.${name} = {
          pkgs = import nixpkgs {inherit system;};
          microvm.shares = [
            {
              tag = "ro-store";
              source = "/nix/store";
              mountPoint = "/nix/.ro-store";
            }
          ];
          inherit config;
        };
        # Mount host /nix/store for drastically reduced image size and evaluation time
        microvm.vms.${name}.config.shares = [
          {
            source = "/nix/store";
            mountPoint = "/nix/.ro-store";
            tag = "ro-store";
            proto = "virtiofs";
          }
        ];
      };
    };
  }
)