Modified caddy to make a simple working code

hosts/v-th-ctr-01/configuration.nix

@@ -0,0 +1,31 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ modulesPath, ... }:
+
+{
+  imports = [
+    # Include the default incus configuration.
+    "${modulesPath}/virtualisation/lxc-container.nix"
+    # Include the container-specific autogenerated configuration.
+  ];
+
+  networking = {
+    dhcpcd.enable = false;
+    useDHCP = false;
+    useHostResolvConf = false;
+  };
+
+  systemd.network = {
+    enable = true;
+    networks."50-eth0" = {
+      matchConfig.Name = "eth0";
+      networkConfig = {
+        DHCP = "ipv4";
+        IPv6AcceptRA = true;
+      };
+      linkConfig.RequiredForOnline = "routable";
+    };
+  };
+}

hosts/v-th-ctr-01/home.nix

@@ -37,7 +37,7 @@
 
       containers = {
         nginx.enable = true;
-        caddy.enbale = true;
+        caddy.enable = true;
       };
     };
 

modules/home/containers/caddy.nix

@@ -23,14 +23,14 @@ in {
         "1443:8443"
       ];
       volumes = [
-        "~/containers/caddy/Caddyfile:/etc/caddy/Caddyfile"
+        "/home/deploy/containers/caddy/Caddyfile:/etc/caddy/Caddyfile:Z"
       ];
     };
 
     home.file."containers/caddy/Caddyfile".text = ''
-      localhost
-
-      response "Hello, world!"
+      http://localhost {
+        respond "Hello there"
+      }
     '';
   };
 }