title: How to keep 777 on var/cache/prod (Symfony 5)
body: <p>I'm using Symfony 5. When I clear the cache, the var/cache/prod folder loses permission 777. On my production server, if the var/cache/prod folder is not in 777, I cannot send a form (error 500).</p>
  
  <p>How can I fixed that ?</p>