Switch from coreos to nixos

1-nixos-node/configuration.nix

@@ -0,0 +1,72 @@
+{ config, lib, pkgs, ... }:
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+    ];
+
+  nixpkgs.config.allowUnfree = true;
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = "jaglan-beta-m01"; # Define your hostname.
+
+  time.timeZone = "Australia/Melbourne";
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  # environment.systemPackages = with pkgs; [
+  #   vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+  #   wget
+  # ];
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # List services that you want to enable:
+  services = {
+    tailscale.enable = true;
+    nomad = {
+      enable = true;
+      enableDocker = true;
+      dropPrivileges = false;
+      settings = {
+        server = {
+          enabled = true;
+          bootstrap_expect = 1;
+        };
+        client = {
+          enabled = true;
+        };
+      };
+    };
+    openssh = {
+      enable = true;
+      settings.PermitRootLogin = "yes";
+    };
+  };
+
+  # Fix issue where nomad needs alloc_mounts to be writable
+  systemd.tmpfiles.rules = [
+    "d /var/lib/alloc_mounts 0755 root root -"
+  ];
+
+  # Open ports in the firewall. 464X are the default ports for Nomad.
+  networking.firewall.allowedTCPPorts = [ 4646 4647 4648 ];
+
+  # Copy the NixOS configuration file and link it from the resulting system
+  # (/run/current-system/configuration.nix). This is useful in case you
+  # accidentally delete configuration.nix.
+  system.copySystemConfiguration = true;
+
+  # Defines the initial NixOS version for compatibility with older application data.
+  # Do NOT change this value after installation without careful consideration.
+  system.stateVersion = "24.11"; # Did you read the comment?
+}