[TYPO3 CMS for maintenance mode via environment variables] #typo3 #maintenance #devip #adminonly

typo3_maintenance_mode_via_env.php

<?php
if(getenv('TYPO3_MAINTENANCE')) {
  $GLOBALS['TYPO3_CONF_VARS']['FE']['pageUnavailable_force'] = 1;
  $GLOBALS['TYPO3_CONF_VARS']['FE']['pageUnavailable_handling'] = getenv('TYPO3_MAINTENANCE_REDIRECT_URL');
  $GLOBALS['TYPO3_CONF_VARS']['FE']['pageUnavailable_handling_statheader'] = 'HTTP/1.0 503 Service Temporarily Unavailable';
  $GLOBALS['TYPO3_CONF_VARS']['SYS']['devIPmask'] = '127.0.0.1,::1,' . getenv('TYPO3_MAINTENANCE_DEVIPMASK');
  $GLOBALS['TYPO3_CONF_VARS']['BE']['adminOnly'] = 2;
}