diff --git a/app/ui/app/src/api.ts b/app/ui/app/src/api.ts
index 4158bafc..a06e4e00 100644
--- a/app/ui/app/src/api.ts
+++ b/app/ui/app/src/api.ts
@@ -15,6 +15,7 @@ import {
 import { parseJsonlFromResponse } from "./util/jsonl-parsing";
 import { ollamaClient as ollama } from "./lib/ollama-client";
 import type { ModelResponse } from "ollama/browser";
+import { API_BASE } from "./lib/config";
 
 // Extend Model class with utility methods
 declare module "@/gotypes" {
@@ -27,8 +28,6 @@ Model.prototype.isCloud = function (): boolean {
   return this.model.endsWith("cloud");
 };
 
-const API_BASE = import.meta.env.DEV ? "http://127.0.0.1:3001" : "";
-
 // Helper function to convert Uint8Array to base64
 function uint8ArrayToBase64(uint8Array: Uint8Array): string {
   const chunkSize = 0x8000; // 32KB chunks to avoid stack overflow
diff --git a/app/ui/app/src/lib/config.ts b/app/ui/app/src/lib/config.ts
new file mode 100644
index 00000000..c1124396
--- /dev/null
+++ b/app/ui/app/src/lib/config.ts
@@ -0,0 +1,10 @@
+// API configuration
+const DEV_API_URL = "http://127.0.0.1:3001";
+
+// Base URL for fetch API calls (can be relative in production)
+export const API_BASE = import.meta.env.DEV ? DEV_API_URL : "";
+
+// Full host URL for Ollama client (needs full origin in production)
+export const OLLAMA_HOST = import.meta.env.DEV
+  ? DEV_API_URL
+  : window.location.origin;
diff --git a/app/ui/app/src/lib/ollama-client.ts b/app/ui/app/src/lib/ollama-client.ts
index 9e931614..50915a0b 100644
--- a/app/ui/app/src/lib/ollama-client.ts
+++ b/app/ui/app/src/lib/ollama-client.ts
@@ -1,4 +1,5 @@
 import { Ollama } from "ollama/browser";
+import { OLLAMA_HOST } from "./config";
 
 let _ollamaClient: Ollama | null = null;
 
@@ -6,7 +7,7 @@ export const ollamaClient = new Proxy({} as Ollama, {
   get(_target, prop) {
     if (!_ollamaClient) {
       _ollamaClient = new Ollama({
-        host: window.location.origin,
+        host: OLLAMA_HOST,
       });
     }
     const value = _ollamaClient[prop as keyof Ollama];