profiles: init (vsock ssh &c.)

examples/dummy.nix

@@ -0,0 +1,22 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ../profiles/all.nix
+  ];
+
+  # following microvm.nix:
+  boot.loader.grub.enable = false;
+  fileSystems."/" = lib.mkDefault {
+    device = "rootfs"; # how does this work? does this assign a label to the tmpfs?
+    fsType = "tmpfs";
+    options = [ "size=10%,mode=0755" ];
+    neededForBoot = true;
+  };
+
+  # TODO: cmdline, kernel, initrd, fileSystems
+}