Move nix code into separate files and directory and create basic module

nix/dev-vm.nix

@@ -0,0 +1,84 @@
+{
+  pkgs,
+  lib,
+  modulesPath,
+  ...
+}:
+{
+  imports = [ "${modulesPath}/virtualisation/qemu-vm.nix" ];
+
+  networking = {
+    hostName = "archtika";
+    firewall.enable = false;
+  };
+
+  nix.settings.experimental-features = [ "nix-command flakes" ];
+
+  users.users.dev = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" ];
+    password = "dev";
+  };
+
+  systemd.tmpfiles.rules = [ "d /var/www/archtika-websites 0777 root root -" ];
+
+  virtualisation = {
+    graphics = false;
+    sharedDirectories = {
+      websites = {
+        source = "/var/www/archtika-websites";
+        target = "/var/www/archtika-websites";
+      };
+    };
+    # Alternatively a bridge network for QEMU could be setup, but requires much more effort
+    forwardPorts = [
+      {
+        from = "host";
+        host.port = 15432;
+        guest.port = 5432;
+      }
+      {
+        from = "host";
+        host.port = 18000;
+        guest.port = 80;
+      }
+    ];
+  };
+
+  services = {
+    postgresql = {
+      enable = true;
+      package = pkgs.postgresql_16;
+      ensureDatabases = [ "archtika" ];
+      authentication = lib.mkForce ''
+        local all all trust
+        host all all all trust
+      '';
+      enableTCPIP = true;
+      extraPlugins = with pkgs.postgresql16Packages; [ pgjwt ];
+    };
+    nginx = {
+      enable = true;
+      virtualHosts."_" = {
+        listen = [
+          {
+            addr = "0.0.0.0";
+            port = 80;
+          }
+        ];
+        locations = {
+          "/" = {
+            root = "/var/www/archtika-websites";
+            index = "index.html";
+            tryFiles = "$uri $uri/ $uri/index.html =404";
+            extraConfig = ''
+              autoindex on;
+            '';
+          };
+        };
+      };
+    };
+  };
+
+  system.stateVersion = "24.05";
+}