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Editorial Team
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Asked: 2026-06-15T07:47:33+00:00

app/controllers/app.rb require ‘sinatra’ get ‘/’ do erb :index end app/views/index.erb <html> <body> <p>Hello World</p>

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app/controllers/app.rb

require 'sinatra'
get '/' do
  erb :index
end

app/views/index.erb

<html>
    <body>
        <p>Hello World</p>
    </body>
</html>

Error:

Errno::ENOENT at /
No such file or directory - .../app/controllers/views/index.erb

How do I configure erb to look into app/views instead of app/controllers/views?

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1 Answer

  1. Editorial Team

    You can achieve this by adjusting the configuration settings. Since you are using non-standard settings, you need to tell Sinatra what the actual root of your app is and where to find the views. At the top of your app/controllers/app.rb file add:

    # sets root as the parent-directory of the current file
set :root, File.join(File.dirname(__FILE__), '..')
# sets the view directory correctly
set :views, Proc.new { File.join(root, "views") }

    You can read more about Sinatra configuration options in the Sinatra Documentation.

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