feat: setup nginx for open webui

modules/nixos/selfhosted/open-webui.nix

@@ -1,11 +1,35 @@
-{...}: {
+{
-  services.open-webui = {
+  lib,
-    enable = true;
+  config,
-    openFirewall = true;
+  ...
-    host = "0.0.0.0";
+}: {
-    environment = {
+  services = {
-      ENABLE_OLLAMA_API = "True";
+    open-webui = {
-      OLLAMA_BASE_URL = "http://pc:11434";
+      enable = true;
+      openFirewall = true;
+      host = "0.0.0.0";
+      port = 1111;
+      environment = {
+        WEBUI_URL = "https://chat.tux.rs";
+        ENABLE_OLLAMA_API = "True";
+        OLLAMA_BASE_URL = "http://pc:11434";
+      };
+    };
+
+    nginx = {
+      enable = lib.mkForce true;
+      virtualHosts = {
+        "chat.tux.rs" = {
+          forceSSL = true;
+          useACMEHost = "tux.rs";
+          locations = {
+            "/" = {
+              proxyPass = "http://${config.services.open-webui.host}:${toString config.services.open-webui.port}";
+              proxyWebsockets = true;
+            };
+          };
+        };
+      };
     };
   };
 }