Warning: require_once(/var/www/html/config/.env): Failed to open stream: No such file or directory in /var/www/html/config/connection.php on line 3

Fatal error: Uncaught Error: Failed opening required '/var/www/html/config/.env' (include_path='.:/usr/local/lib/php') in /var/www/html/config/connection.php:3 Stack trace: #0 /var/www/html/app/controllers/Web/ImgController.php(2): require_once() #1 /var/www/html/app/core/Router.php(114): require_once('/var/www/html/a...') #2 /var/www/html/app/core/Router.php(81): Router->reRoute('GET', '/poster/{id}') #3 /var/www/html/public/index.php(6): Router->__construct() #4 {main} thrown in /var/www/html/config/connection.php on line 3