Fix dockerfile

Dockerfile

@@ -4,10 +4,10 @@ RUN echo '[global]' > /etc/pip.conf && \
     echo 'index-url = https://mirrors.aliyun.com/pypi/simple/' >> /etc/pip.conf && \
     echo 'trusted-host = mirrors.aliyun.com' >> /etc/pip.conf
 
-RUN pip3 install gradio requests[socks] mdtex2html
 
 COPY . /gpt
 WORKDIR /gpt
+RUN pip3 install -r requirements.txt
 
 
 CMD ["python3", "main.py"]