Update Dockerfile

Dockerfile

@@ -1,16 +1,18 @@
 FROM python:3.9
 
 RUN useradd -m -u 1000 user
-USER user
 
 WORKDIR /code
 
 COPY ./requirements.txt /code/requirements.txt
 
+USER root
 RUN chown -R user:user /code
 
+USER user
+
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
 COPY --chown=user:user . /code
 
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]