hydrogen_ynh/conf/nginx.conf

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

    alias __INSTALL_DIR__/;

    index index.html;

    more_set_headers "X-Frame-Options: SAMEORIGIN";
    more_set_headers "X-Content-Type-Options: nosniff";
    more_set_headers "X-XSS-Protection: '1; mode=block'";
    more_set_headers "Content-Security-Policy: frame-ancestors 'self'";

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