Owncloud on Ubuntu 16.04 Nginx PHP 7 ISPConfig

Server configuration
Operating system: Ubuntu 16.04
Web server: Nginx
Database:mariadb
PHP version: 7
ownCloud version 9.1

Special configuration (external storage, external authentication, reverse proxy, server-side-encryption): ISPConfig 3.1

Does anybody have a working nginx snippet for owncloud 9.1 on ISPConfig?

A working nginx config is provided here: