`require’: cannot load such file — php_serialize (LoadError) 2019-02-24 2019-02-24 / By juzhax / Ruby / Docker, error, Gemfile, Ruby I’m running some of the Ruby script inside Docker and it show me this error. The solution I use to solve it using the way below. First, goto the path of your Gemfile echo “gem ‘php-serialize'” >>Gemfile bundle install Tags: DockererrorGemfileRuby