Update dockerfile

dockerfile

@@ -1,13 +1,17 @@
-FROM python:3.9
+FROM python:3.11-slim
 
 RUN useradd -m -u 1000 user
 USER user
 ENV PATH="/home/user/.local/bin:$PATH"
+ENV HF_HOME=/tmp/hf
 
 WORKDIR /app
+
 COPY --chown=user ./requirements.txt requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
 COPY --chown=user . /app
 
+EXPOSE 7860
+
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]