Dockerfile in quiz_api_client-2.4.2 vs Dockerfile in quiz_api_client-2.4.3

@@ -7,10 +7,10 @@
 
 USER root
 RUN chown -R docker:docker /app
 
 USER docker
-RUN /bin/bash -l -c "cd /app && rvm-exec 2.4 bundle install --jobs 5"
+RUN /bin/bash -l -c "rvm-exec 2.4 bundle install --jobs 5"
 COPY . /app
 RUN rm -f Gemfile.lock
 
 USER root
 RUN chown -R docker:docker /app