FROM ruby:2.6.3-alpine MAINTAINER Timeboard ############### INSTALL RUBY ON RAILS ESSENTIALS ############### RUN apk add --update tzdata && \ rm -rf /var/cache/apk/* # Install bundler and foreman gems RUN gem install bundler && \ gem install foreman # Set entrypoint ENTRYPOINT ["ruby", "builder.rb"] # Command to execute at container start CMD foreman start -f Procfile