Update Dockerfile

Dockerfile

@@ -3,7 +3,7 @@ RUN apt-get update
 RUN apt-get install -y python3-pip
 WORKDIR /code
 COPY ./requirements.txt /code/requirements.txt
-RUN python3 -m pip install -r /code/requirements.txt
+RUN pip3 install -r /code/requirements.txt
 COPY . .
 EXPOSE 7860
 CMD ["python","./manage.py","runserver","0.0.0.0:7860"]