fix permission, rewerite cmd

Dockerfile

@@ -1,4 +1,6 @@
 FROM python:3.9-slim-bullseye as pdfgpt-chat-img
+RUN mkdir -p /.jina
+RUN chmod 777 /.jina
 
 RUN apt-get update && apt-get install -y \
     build-essential \
@@ -20,9 +22,6 @@ RUN pip3 install -r requirements_pytorch.txt
 RUN pip3 install -r requirements_api.txt
 RUN pip3 install -r requirements_app.txt
 
-RUN mkdir -p /.jina
-RUN chmod 777 /.jina
-
 WORKDIR /app
 
 COPY intfloat /app/intfloat
@@ -34,4 +33,4 @@ EXPOSE 8080
 
 HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health
 
-CMD  ["lc-serve", "deploy", "local", "api.py", "&&", "streamlit", "run", "app.py", "--server.port=7860"]
+CMD ["/bin/bash", "-c", "echo lc-serve deploy local api.py;echo streamlit run app.py --server.port=7860"]