feat(vps): add caddy

- Enabled caddy service
- Opened port 80, 443 for Caddy

hosts/vps/modules/network.nix

@@ -3,6 +3,9 @@
 {
   networking.hostName = "vps";
   networking.domain = "";
-  networking.firewall.enable = true;
+  networking.firewall = {
+    enable = true;
+    allowedTCPPorts = [ 22 80 443 ];
+  };
   boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
 }

hosts/vps/modules/services/caddy.nix

@@ -0,0 +1,10 @@
+{
+  services.caddy = {
+    enable = true;
+    
+    # zipline
+    virtualHosts."i.toast.name".extraConfig = ''
+      reverse_proxy http://127.0.0.1:3000
+    '';
+  };
+}

hosts/vps/modules/services/default.nix

@@ -4,5 +4,6 @@
     ./vaultwarden.nix
     ./openssh.nix
     ./zipline.nix
+    ./caddy.nix
   ];
 }