FROM ruby:3.0.4-slim #HEALTHCHECK --start-period=60s CMD curl http://127.0.0.1/ ENV TINI_VERSION v0.18.0 ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini RUN chmod +x /tini RUN apt-get -qq update \ && DEBIAN_FRONTEND=noninteractive apt-get -qq install -y \ build-essential \ openssl \ curl \ sqlite3 \ libsqlite3-dev \ wget \ default-libmysqlclient-dev \ nodejs \ tzdata \ git \ && apt-get -qq clean \ && apt-get autoremove -y \ && rm -rf \ /var/lib/apt/lists/* \ /tmp/* \ /var/tmp/* RUN echo 'gem: --no-rdoc --no-ri' > /root/.gemrc RUN gem install bundler RUN gem update --system #Cache gems so they don't install on every code change RUN rm -rf /rails && mkdir /rails WORKDIR /rails COPY Gemfile Gemfile COPY Gemfile.lock Gemfile.lock RUN bundle install --jobs 4 # Copy site into place. ADD . /rails/ #Need temp secret keys to precompile assets #RUN RAILS_ENV=production bundle exec rake assets:precompile #SSL RUN mkdir /ssl \ && openssl req -sha256 -subj '/CN=home/O=home LTD./C=US' \ -x509 -nodes -days 365 -newkey rsa:4096 -keyout /ssl/server.key -out /ssl/server.crt EXPOSE 80 EXPOSE 443 # Tini solves the zombie PID problem ENTRYPOINT ["/tini", "--"] CMD bundle exec passenger start --max-pool-size ${PASSENGER_POOL_SIZE} --min-instances ${PASSENGER_POOL_SIZE} --environment production -p 80 # Higher max pool uses more ram # Followed recommendation from: https://blog.phusion.nl/2015/11/10/heroku-and-passenger-focus-on-the-app-performance/ #CMD bundle exec puma -w 3 -t 5:5 -b 'tcp://0.0.0.0:80' -e production #CMD bundle exec puma -w 3 -t 5:5 -b 'ssl://0.0.0.0:443?key=/ssl/server.key&verify_mode=none&cert=/ssl/server.crt' -e production #CMD bundle exec passenger start --max-pool-size 3 --environment production --ssl --ssl-certificate /ssl/server.crt --ssl-certificate-key /ssl/server.key