Here is the error running bundle install vendor/gems on server:
Installing nokogiri (1.5.0) with native extensions Gem::Installer::ExtensionBuildError: ERROR
For Ubuntu:
sudo apt-get install libxml2 libxml2-dev libxslt-dev zlib1g-dev sudo gem install nokogiri -v '1.8.2' -- --use-system-libraries
For MacOS:
brew install libxml2 gem install nokogiri -v '1.8.2' -- --use-system-libraries \ --with-xml2-include=$(brew --prefix libxml2)/include/libxml2