Openshift specific Dockerfile

Dockerfile

@@ -4,7 +4,5 @@ RUN mkdir /myapp
 WORKDIR /myapp
 ADD Gemfile /myapp/Gemfile
 ADD Gemfile.lock /myapp/Gemfile.lock
-RUN bundle install --with=openshift
+RUN bundle install
 ADD . /myapp
-RUN chgrp -R 0 /myapp \
-  && chmod -R g+rwX /myapp

openshift-configs/Dockerfile

@@ -0,0 +1,10 @@
+FROM ruby:2.6.5
+RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs
+RUN mkdir /myapp
+WORKDIR /myapp
+ADD Gemfile /myapp/Gemfile
+ADD Gemfile.lock /myapp/Gemfile.lock
+RUN bundle install --with=openshift
+ADD . /myapp
+RUN chgrp -R 0 /myapp \
+  && chmod -R g+rwX /myapp