<span>Gem Load Error is: Could not find a JavaScript runtime.<br> See <a href="https://github.com/rails/execjs" target="_blank" rel="nofollow noopener noreferrer">https://github.com/rails/execjs</a> for a list of available runtimes.<br></span><span>Backtrace for gem load error is:</span><span>Bundler::GemRequireError: There was an error while trying to load<br> the gem 'uglifier'.</span>
Any ideas how to get a javascript runtime to the rails image?