Speedup Docker build

Dockerfile

@@ -10,7 +10,7 @@ ENV HOME=/home/user \
 
 WORKDIR ${HOME}/app
 
-COPY --chown=1000 . ${HOME}/app
+COPY --chown=1000 requirements.txt ${HOME}/app
 
 RUN pip install --no-cache-dir -r requirements.txt
 
@@ -23,4 +23,6 @@ ENV PYTHONPATH=${PYTHONPATH}:${HOME}/.local/bin \
     GRADIO_THEME=huggingface \
     SYSTEM=spaces
 
+COPY --chown=1000 . ${HOME}/app
+
 ENTRYPOINT ["/bin/bash", "start.sh"]