Update app.py

app.py

@@ -5,4 +5,14 @@ try:
 except subprocess.CalledProcessError as e:
     print(f"An error occurred while installing packages: {e}")
 
-subprocess.run(['python', 'voicevox_engine/run.py'])
+command = [
+    'python', 'voicevox_engine/run.py',
+    '--voicevox_dir=linux-cpu',
+    '--host', '0.0.0.0',
+    '--port', '50021'
+]
+
+result = subprocess.run(command, capture_output=True, text=True)
+
+print("Outputs: \n", result.stdout)
+print("Errors: \n", result.stderr)