New in Ruby my commands dont work

Hi iam new in openldap and i have a problem know for 5 days iam searching for the fails but i cant find anything.

Command is this here ruby publish.rb dev app100 password app101-x-requests

its running in a Docker Container

Traceback (most recent call last): 2: from app102.rb:1:in <main>' 2: from app101.rb:1:in ’ 1: from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in require' 1: from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in require’ /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in require'/usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in require’: : cannot load such file – bunnycannot load such file – bunny ( (LoadErrorLoadError) ) Traceback (most recent call last): 2: from app100.rb:1:in <main>' 1: from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in require’ /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require’: cannot load such file – bunny (LoadError)