Update Dockerfile

Dockerfile

@@ -12,7 +12,7 @@ RUN apt-get --assume-yes install git-all
 
 RUN pip3 install  --trusted-host pypi.python.org -r requirements_docker.txt
 
-RUN git clone -b enhancement/refactoring --single-branch https://github.com/toms3t/Propalyzer.git
+RUN git clone https://github.com/toms3t/Propalyzer.git
 
 COPY secret.py /Propalyzer/propalyzer_site/propalyzer_app/
 
@@ -38,4 +38,4 @@ RUN python3 manage.py migrate
 
 RUN python3 manage.py collectstatic
 
-CMD ["./startup.sh"]
+CMD ["./startup.sh"]