change docker-compose.yml VARS to CAPS
change docker-compose.yml VARS to CAPS

mario-orlicky/wekan,GhassenRjab/wekan,jtickle/wekan,oliver4u/WEKAN_runpartner,oliver4u/WEKAN_runpartner,jtickle/wekan,Serubin/wekan,wekan/wekan,nztqa/wekan,GhassenRjab/wekan,oliver4u/sap-wekan,GhassenRjab/wekan,ddanssaert/wekan,nztqa/wekan,mario-orlicky/wekan,oliver4u/WEKAN_runpartner,jtickle/wekan,libreboard/libreboard,ddanssaert/wekan,oliver4u/sap-wekan,ddanssaert/wekan,nztqa/wekan,oliver4u/sap-wekan,Serubin/wekan,wekan/wekan,Serubin/wekan,wekan/wekan,johnleeming/wekan,johnleeming/wekan,johnleeming/wekan,libreboard/libreboard,wekan/wekan,wekan/wekan,johnleeming/wekan,mario-orlicky/wekan