runtime error

/usr/lib/ruby/site_ruby/2.6.0/rubygems.rb:284:in `find_spec_for_exe': can't find gem jekyll (>= 0.a) with executable jekyll (Gem::GemNotFoundException) from /usr/lib/ruby/site_ruby/2.6.0/rubygems.rb:303:in `activate_bin_path' from /usr/local/bundle/bin/jekyll:23:in `<main>'

Container logs: