# File lib/puma/runner.rb, line 65
    def output_header(mode)
      min_t = @options[:min_threads]
      max_t = @options[:max_threads]

      log "Puma starting in #{mode} mode..."
      log "* Version #{Puma::Const::PUMA_VERSION}, codename: #{Puma::Const::CODE_NAME}"
      log "* Min threads: #{min_t}, max threads: #{max_t}"
      log "* Environment: #{ENV['RACK_ENV']}"
    end