changes

lib/ollama.ts

@@ -1,12 +1,47 @@
 import { Ollama } from 'ollama';
 
-// Initialize Ollama with the host from environment variables
+// Singleton holder
-// defaulting to localhost if not specified.
+let ollamaInstance: Ollama | null = null;
-// This ensures that OLLAMA_HOST is respected.
-const host = process.env.OLLAMA_HOST || 'http://127.0.0.1:11434';
 
-console.log(`Initializing Ollama client with host: ${host}`);
+function getOllamaInstance(): Ollama {
+  if (!ollamaInstance) {
+    // DEBUGGING: Log the environment variable explicitly on first use
+    const envHost = process.env.OLLAMA_HOST;
+    console.log('----------------------------------------');
+    console.log('[lib/ollama.ts] Initializing Ollama instance (Lazy)');
+    console.log(`[lib/ollama.ts] process.env.OLLAMA_HOST: '${envHost}'`);
+    console.log(`[lib/ollama.ts] NODE_ENV: '${process.env.NODE_ENV}'`);
+    console.log('----------------------------------------');
 
-const ollama = new Ollama({ host });
+    // Initialize Ollama with the host from environment variables
+    // defaulting to localhost if not specified.
+    const host = envHost || 'http://127.0.0.1:11434';
 
-export default ollama;
+    if (!envHost) {
+      console.warn(
+        '[lib/ollama.ts] WARNING: OLLAMA_HOST is not set. Defaulting to 127.0.0.1:11434. If your Ollama instance is on another machine, this will fail.'
+      );
+    }
+
+    console.log(`[lib/ollama.ts] Final Host used for Ollama: ${host}`);
+    ollamaInstance = new Ollama({ host });
+  }
+  return ollamaInstance;
+}
+
+// Proxy to ensure we initialize lazily when any property is accessed
+const ollamaProxy = new Proxy({} as Ollama, {
+  get(_target, prop) {
+    const instance = getOllamaInstance();
+    // @ts-ignore
+    const value = instance[prop];
+
+    // Bind functions to the instance to ensure 'this' context is correct
+    if (typeof value === 'function') {
+      return value.bind(instance);
+    }
+    return value;
+  },
+});
+
+export default ollamaProxy;