added volume definition

Dmitry Berezovsky · Dmitry Berezovsky · commit e1f95390f45f · 2016-03-29T14:52:51.000+03:00
diff --git a/Dockerfile b/Dockerfile
@@ -25,3 +25,5 @@ WORKDIR $APPLICATION_DIR
 RUN echo "source /srv/virtenv/bin/activate" >> "/home/app/.bashrc"
 
 CMD ["/bin/bash"]
+
+VOLUME ["$APPLICATION_DIR"]
