Copy bower.

Dockerfile

@@ -10,6 +10,7 @@ COPY requirements /code/requirements
 RUN pip install -r requirements/production.txt
 RUN npm cache clean
 RUN npm install --unsafe-perm -g bower
+COPY bower.json /code/bower.json
 RUN bower install --allow-root
 RUN npm install --unsafe-perm
 RUN npm run build-production