upstream echo_backend {
       server echo-server.echo-server.svc:80;
       #server 192.168.88.52:8080;
       server 1.1.1.1 backup;
    }

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