ubuntu 16.04 rails 5 passenger nginx, node.js don't work as javascript runtime <p>Hy there, I'm working ours and don't find the solution.</p> <p>When I'm starting rails 5 with puma on ubuntu 16.04 in development mode, everything works fine, node.js works as JavaScript runtime.</p> <p>But when im starting the same application with nginx and passenger in production (precomiled with RAILS_ENV=production) I become the message: "Message from application: There was an error while trying to load the gem 'uglifier'. Gem Load Error is: Could not find a JavaScript runtime."</p> <p>I know that I can use the gem 'therubyracer' but for some reasons I don't want.</p> <p>Do somebody has an idea why node.js don't work with nginx and passenger.</p> <p>Thanks ahead for every suggestion! </p>