Method: Sinatra::Base.run!

Defined in:
lib/sinatra/base.rb

.run!(options = {}, &block) ⇒ Object Also known as: start!

Run the Sinatra app as a self-hosted server using Puma, Falcon, or WEBrick (in that order). If given a block, will call with the constructed handler once we have taken the stage.



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# File 'lib/sinatra/base.rb', line 1603

def run!(options = {}, &block)
  unless defined?(Rackup::Handler)
    rackup_warning = <<~MISSING_RACKUP
      Sinatra could not start, the "rackup" gem was not found!

      Add it to your bundle with:

          bundle add rackup

      or install it with:

          gem install rackup

    MISSING_RACKUP
    warn rackup_warning
    exit 1
  end

  return if running?

  set options
  handler         = Rackup::Handler.pick(server)
  handler_name    = handler.name.gsub(/.*::/, '')
  server_settings = settings.respond_to?(:server_settings) ? settings.server_settings : {}
  server_settings.merge!(Port: port, Host: bind)

  begin
    start_server(handler, server_settings, handler_name, &block)
  rescue Errno::EADDRINUSE
    warn "== Someone is already performing on port #{port}!"
    raise
  ensure
    quit!
  end
end