duniter_ynh/conf/nginx.conf

location YNH_EXAMPLE_PATH/ {
       rewrite                ^YNH_EXAMPLE_PATH$ YNH_EXAMPLE_PATH/ permanent;
       proxy_pass             http://YNH_EXAMPLE_DOMAIN:YNH_EXAMPLE_PORT/;
       proxy_set_header       Host $host;
       proxy_buffering off;
}