container and model update

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.9
+FROM python:3.11
 RUN useradd -m -u 1000 user
 USER user
 ENV HOME=/home/user \

app.py

@@ -22,7 +22,7 @@ Think through your response step by step.
 @cl.on_chat_start  # marks a function that will be executed at the start of a user session
 async def start_chat():
     settings = {
-        "model": "gpt-3.5-turbo",
+        "model": "gpt-4o-mini",
         "temperature": 0,
         "max_tokens": 500,
         "top_p": 1,