Web application could not be started with Ubuntu 14.04, rbenv ruby 2.2.3p

My vps:

• Ubuntu 14.04

• rbenv ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-linux]

• Rails 4.2.4
• Passenger + Apache

When I deploy a ruby app:

Web application could not be started.

cannot load such file -- bundler/setup (LoadError) /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:430:in `activate_gem' /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:297:in `block in run_load_path_setup_code' /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:435:in `running_bundler' /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:296:in `run_load_path_setup_code' /usr/share/passenger/helper-scripts/rack-preloader.rb:100:in `preload_app' /usr/share/passenger/helper-scripts/rack-preloader.rb:156:in `<module:App>' /usr/share/passenger/helper-scripts/rack-preloader.rb:30:in `<module:PhusionPassenger>' /usr/share/passenger/helper-scripts/rack-preloader.rb:29:in `<main>' Error ID d999dc5f