+ - proxy_set_header: 'Upgrade $http_upgrade'
+ - proxy_set_header: 'Connection "upgrade"'
+ - proxy_max_temp_file_size: 0
+ - proxy_request_buffering: 'off'
+ - proxy_buffering: 'off'
+ - proxy_http_version: '1.1'
+ - include: snippets/ssl_hardening_default.conf
+ - ssl_certificate: __CERT_PEM__
+ - ssl_certificate_key: __CERT_KEY__