docker: fill in the default values in the documentation
docker: fill in the default values in the documentation

storytouch/etherpad-lite,joequant/etherpad-lite,storytouch/etherpad-lite,joequant/etherpad-lite,ether/etherpad-lite,joequant/etherpad-lite,joequant/etherpad-lite,ether/etherpad-lite,storytouch/etherpad-lite,ether/etherpad-lite