FROM ruby:3.4 ENV RUBY_YJIT_ENABLE=1 ENV RUBY_MN_THREADS=1 # Use Jemalloc RUN apt-get update && \ apt-get install -y --no-install-recommends libjemalloc2 ENV LD_PRELOAD=libjemalloc.so.2 WORKDIR /rack COPY Gemfile ./ ENV BUNDLE_FORCE_RUBY_PLATFORM=true RUN bundle config set with 'puma' RUN bundle install --jobs=8 COPY . . EXPOSE 8080 CMD bundle exec puma -C config/puma.rb -b tcp://0.0.0.0:8080 -e production