Fixed HTTPS for reverse proxy environments

Author: andriyun

.docker/os2forms/apache/000-default.conf

@@ -14,7 +14,9 @@
 	<Directory /opt/drupal/vendor/simplesamlphp/simplesamlphp/www>
 		Require all granted
 	</Directory>
-
+	
+	# Enable HTTPS if reverve proxy is using HTTPS
+	SetEnvIf X-Forwarded-Proto https HTTPS=on
 
 	# PHP Custom settings
 	php_admin_value open_basedir /opt/drupal:/usr/share/php