feat: simplify dockerfile

Author: m0wer

backend/Dockerfile

@@ -1,12 +1,4 @@
-FROM tiangolo/uvicorn-gunicorn-fastapi:python3.10 as base
-FROM pytorch/pytorch:2.2.1-cuda12.1-cudnn8-runtime as runner
-# when updating these iamges:
-# - make sure the python versions match
-# - upgrade the torch version in the requirements file
-
-COPY --from=base /start-reload.sh /start-reload.sh
-COPY --from=base /start.sh /start.sh
-COPY --from=base /gunicorn_conf.py /gunicorn_conf.py
+FROM tiangolo/uvicorn-gunicorn-fastapi:python3.11 as base
 
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1