Add Openai gpt-5.3-codex model into my Openai web application

Here is My Openai Chat Github Repository

To add gpt-5.3-codex model

• Update Dockerfile to use python:3.9 base image.
• Update requirements.txt to use Django 4.2.0 and Python openai sdk 2.26.0
• Use Python openai sdk response api to interact with Openai gpt-5.3-codex model

See affected AWS resources for upcoming events

1. log into aws console
2. go to AWS health Dashboard
3. ckick Scheduled changes
4. click Calendar
5. choose date
6. click Upcomming
7. choose one of events to see affected resourses