upstream example_backend {
       server 192.168.88.52:8080;
       server 1.1.1.1 backup;
    }

server {
	server_name example.tryton.geeraert.eu www.example.tryton.geeraert.eu;
        location / {
		proxy_pass http://example_backend;
        }
        location /.well-known/acme-challenge/ {
		root /var/www/certbot;
        }
	
	listen 80 ; 
}