title: FastCGI sent in stderr: "Unable to open primary script: /index.php (No such file or directory)" while reading response header from upstream
body: <p><code>PHP7</code> <code>PHP-FPM</code></p>
  
  <pre><code>cgi.fix_pathinfo = 0
  </code></pre>
  
  <p>When</p>
  
  <pre><code>cgi.fix_pathinfo = 1
  </code></pre>
  
  <p>all works fine</p>