caddy and hello world container

containers/hello.nix

@@ -0,0 +1,27 @@
+{ config, pkgs, ... }:
+
+{
+  containers.hello = {
+    autoStart = true;
+    privateNetwork = true;
+    hostAddress = "192.168.100.10";
+    localAddress = "192.168.100.11";
+    
+    config = { config, pkgs, ... }: {
+      system.stateVersion = "25.11";
+      
+      networking.firewall.allowedTCPPorts = [ 80 ];
+
+      services.nginx = {
+        enable = true;
+        virtualHosts."localhost" = {
+          # Return a 200 OK directly from nginx
+          locations."/".return = "200 'Hello world!'";
+          locations."/".extraConfig = ''
+            default_type text/plain;
+          '';
+        };
+      };
+    };
+  };
+}