изначально я получил эту ошибку - Autoprefixer не поддерживает Node v0.10.48. Обнови это. Затем я попытался добавить gem 'mini_racer', я использую сервер Centos но когда я запускаю bundle, я получаю эту ошибку
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
current directory: /usr/local/rvm/gems/ruby-2.6.3/gems/mini_racer-0.2.9/ext/mini_racer_extension
/usr/local/rvm/rubies/ruby-2.6.3/bin/ruby -I /usr/local/rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0 -r
./siteconf20200121-13084-vxv4tr.rb extconf.rb
checking for -lpthread... yes
<stdin>:2:5: error: #error A compiler that supports at least C++11 is required in order to compile this project.
WARNING: C++11 support is required for compiling mini_racer. Please make sure
you are using a compiler that supports at least C++11. Examples of such
compilers are GCC 4.7+ and Clang 3.2+.
...
...
An error occurred while installing mini_racer (0.2.9), and Bundler cannot continue.
Make sure that `gem install mini_racer -v '0.2.9' --source 'https://rubygems.org/'` succeeds before bundling.