Try to fix user permissions

Dockerfile

@@ -11,14 +11,19 @@ FROM nvcr.io/nvidia/pytorch:20.12-py3
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
 
+RUN useradd -m -u 1000 user
+# Switch to the "user" user
+USER user
+ENV HOME=/exp/domain-expansion
+ 
 RUN apt install -y git 
 
 RUN pip install imageio-ffmpeg==0.4.3 pyspng==0.1.0
 
 WORKDIR /exp/domain-expansion
 
-COPY ./requirements.txt /exp/domain-expansion/requirements.txt
-RUN python -m pip install --no-cache-dir --upgrade -r /exp/domain-expansion/requirements.txt
+COPY ./requirements.txt $HOME/requirements.txt
+RUN python -m pip install --no-cache-dir --upgrade -r $HOME/requirements.txt
 
 RUN python -m pip uninstall -y gradio
 RUN python -m pip install -U pip setuptools wheel
@@ -30,5 +35,5 @@ RUN python -m pip install gradio
 RUN (printf '#!/bin/bash\nunset TORCH_CUDA_ARCH_LIST\nexec \"$@\"\n' >> /entry.sh) && chmod a+x /entry.sh
 ENTRYPOINT ["/entry.sh"]
 
-COPY . .
+COPY --chown=user . .
 CMD ["uvicorn", "app:main", "--host", "0.0.0.0", "--port", "7860"]