add remite page

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.4
+FROM ruby:2.5
 
 # see http://stackoverflow.com/questions/38453963/gitlab-ci-setup-error-could-not-find-a-javascript-runtime
 RUN apt-get update && apt-get install nodejs -y
@@ -9,7 +9,6 @@ RUN bundle config --global frozen 1
 ENV LANG C.UTF-8
 
 WORKDIR /usr/src/app
-
 COPY Gemfile /usr/src/app/
 COPY Gemfile.lock /usr/src/app/
 RUN bundle install