# Rails Whenever Dockerfile Demo - [Simple whenever cron job](config/schedule.rb): ``` every 1.minute do command "echo Hello >> /app/log/cron.log" end ``` - [Dockerfile](Dockerfile.) : ```dockerfile FROM ruby:2.5 RUN apt-get update && \ apt-get install -y cron && \ rm -rf /var/lib/apt/lists/* ENV LANG C.UTF-8 ENV RAILS_ENV production ENV INSTALL_PATH /app RUN mkdir $INSTALL_PATH && \ mkdir log && touch /log/cron.log ADD Gemfile Gemfile.lock ./ WORKDIR $INSTALL_PATH RUN bundle install COPY . . RUN bundle exec whenever --update-crontab CMD cron && rails server -e $stdout.sync=true ``` ### Container's Bash Result : ![Container's terminal](images/capture.png)