FROM ruby:2.7.5 RUN supercronicUrl=https://github.com/aptible/supercronic/releases/download/v0.1.3/supercronic-linux-amd64 && \ supercronicBin=/usr/local/bin/supercronic && \ supercronicSha1sum=96960ba3207756bb01e6892c978264e5362e117e && \ curl -fsSL -o "$supercronicBin" "$supercronicUrl" && \ echo "$supercronicSha1sum $supercronicBin" | sha1sum -c - && \ chmod +x "$supercronicBin" ENV PORT=3000 \ RAILS_ENV=production \ RAILS_LOG_TO_STDOUT=true \ RAILS_SERVE_STATIC_FILES=true WORKDIR /usr/src/app COPY . ./ # install dependencies, recognize database_url, generate crontab RUN echo 'gem: --no-document' >> ~/.gemrc && \ bundle config build.nokogiri "--use-system-libraries" && \ bundle install --deployment --without development test -j 4 && \ rm -Rf /var/lib/apt/lists/* /var/cache/apt/* ~/.gemrc ~/.bundle && \ \ echo "production:\n url: <%= ENV['DATABASE_URL'] %>" >config/database.yml && \ bundle exec whenever >crontab # compile assets with temporary mysql server RUN export DATABASE_URL=mysql2://localhost/temp && \ export SECRET_KEY_BASE=thisisnotimportantnow && \ export DEBIAN_FRONTEND=noninteractive && \ apt-get update && \ apt-get install -y mysql-server && \ /etc/init.d/mysql start && \ rails db:setup assets:precompile && \ rm -Rf tmp/* && \ /etc/init.d/mysql stop && \ rm -Rf /run/mysqld /tmp/* /var/tmp/* /var/lib/mysql /var/log/mysql* && \ apt-get purge -y --auto-remove mysql-server && \ rm -Rf /var/lib/apt/lists/* /var/cache/apt/* # Make relevant dirs writable for app user RUN mkdir -p tmp supplier_assets && \ chown nobody tmp supplier_assets # Run app as unprivileged user USER nobody EXPOSE 3000 # cleanup, and by default start web process from Procfile ENTRYPOINT ["./docker-entrypoint.sh"] CMD ["./proc-start", "web"]