update dockerfile

Dockerfile

@@ -1,17 +1,18 @@
 FROM python:3.10.13
 
+WORKDIR /
+
 RUN useradd -m -u 1000 user
 USER user
 
+WORKDIR /user
+
 # Copy the current directory contents into the container at .
 COPY --chown=user . .
 
-# Set the working directory to /
-WORKDIR /
-
 # Install requirements.txt 
 RUN pip install --upgrade pip
-RUN pip install -r /requirements.txt
+RUN pip install --no-cache-dir --upgrade -r /requirements.txt
 
 # Start the FastAPI app on port 7860, the default port expected by Spaces
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]