Unicorn doesn't run in production mode <p>I am running stack nginx+unicorn+rails 3.2</p> <p>When I am running </p> <pre><code>bundle exec unicorn_rails -c config/unicorn.rb -E development </code></pre> <p>it is ok, and site running well</p> <p>when I am trying start unicorn site in production mode</p> <pre><code>bundle exec unicorn_rails -c config/unicorn.rb -E production </code></pre> <p>I have "We're sorry, but something went wrong." error:</p> <p><img src="https://i.stack.imgur.com/0IESc.png" alt="enter image description here"></p>