FROM ruby:2.5.1-stretch ARG USER RUN mkdir /myapp COPY script/build/debian/prebuild.sh myapp/script/build/debian/prebuild.sh RUN myapp/script/build/debian/prebuild.sh COPY script/build/debian/node.sh myapp/script/build/debian/node.sh RUN myapp/script/build/debian/node.sh COPY script/build/debian/postgres.sh myapp/script/build/debian/postgres.sh RUN myapp/script/build/debian/postgres.sh COPY script/build/debian/java.sh myapp/script/build/debian/java.sh RUN myapp/script/build/debian/java.sh COPY gems /myapp/gems/ WORKDIR /myapp COPY Gemfile /myapp/Gemfile COPY Gemfile.lock /myapp/Gemfile.lock RUN gem install bundler -v "~>1.0" RUN bundle install CMD rake -T