Fatal error: Uncaught InvalidArgumentException: The environment "${APP_ENV:-prod}" contains invalid characters, it can only contain characters allowed in PHP class names. in /srv/http/vendor/symfony/http-kernel/Kernel.php:369 Stack trace: #0 /srv/http/vendor/symfony/http-kernel/Kernel.php(393): Symfony\Component\HttpKernel\Kernel->getContainerClass() #1 /srv/http/vendor/symfony/http-kernel/Kernel.php(740): Symfony\Component\HttpKernel\Kernel->initializeContainer() #2 /srv/http/vendor/symfony/http-kernel/Kernel.php(170): Symfony\Component\HttpKernel\Kernel->preBoot() #3 /srv/http/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php(35): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #4 /srv/http/vendor/autoload_runtime.php(29): Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run() #5 /srv/http/public/index.php(5): require_once('/srv/http/vendo...') #6 {main} thrown in /srv/http/vendor/symfony/http-kernel/Kernel.php on line 369