See #8, use the default PHP binary, and use 4 workers

FossilOrigin-Name: 39f7653d921c800bb13ffc2fe2af2a4e861dd57e6a2eb11eef29b4ddbfa93106

Author: bohwaz

karadav.service

@@ -5,7 +5,8 @@ After=network.target
 [Service]
 Type=simple
 User=www-data
-ExecStart=/usr/bin/php8.1 -S 0.0.0.0:8080 -t /var/lib/karadav/www /var/lib/karadav/www/_router.php
+Environment="PHP_CLI_SERVER_WORKERS=3"
+ExecStart=/usr/bin/php -S 0.0.0.0:8080 -t /var/lib/karadav/www /var/lib/karadav/www/_router.php
 Restart=on-failure
 
 [Install]