-RUN mkdir -p /var/lib/arvados
-RUN echo "development" > /var/lib/arvados/api_rails_env
-RUN echo "development" > /var/lib/arvados/sso_rails_env
-RUN echo "development" > /var/lib/arvados/workbench_rails_env
+RUN mkdir -p $ARVADOS_CONTAINER_PATH
+RUN echo "development" > $ARVADOS_CONTAINER_PATH/api_rails_env
+RUN echo "development" > $ARVADOS_CONTAINER_PATH/workbench_rails_env