Update Dockerfile

Dockerfile

@@ -1,8 +1,16 @@
 FROM python:3.11-slim
-WORKDIR /app
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
-COPY . .
-RUN mkdir -p kb .cache/faiss static
+
+RUN useradd -m -u 1000 user
+USER user
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+WORKDIR $HOME/app
+
+COPY --chown=user requirements.txt .
+RUN pip install --no-cache-dir --user -r requirements.txt
+
+COPY --chown=user . .
+RUN mkdir -p static && mv index.html static/index.html
+
 EXPOSE 7860
-CMD ["python", "app.py"]
+CMD ["python", "app.py"]