uptime-kuma_ynh/conf/nginx.conf

#sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
location __PATH__/ {

    proxy_pass http://127.0.0.1:__PORT__;
    # https://github.com/louislam/uptime-kuma/wiki/Reverse-Proxy#nginx
    proxy_set_header   X-Real-IP $remote_addr;
    proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_http_version 1.1;
    proxy_set_header   Upgrade $http_upgrade;
    proxy_set_header   Connection "upgrade";
    proxy_set_header   Host $host;
    
    # Common parameter to increase upload size limit
    #client_max_body_size 50M;

    # Include SSOWAT user panel.
    include conf.d/yunohost_panel.conf.inc;
}