snserver_ynh/conf/nginx.conf

location __PATH__/ {
    alias __FINALPATH__/live/public ;

    if ($scheme = http) {
        rewrite ^ https://$server_name$request_uri? permanent;
    }

    proxy_pass http://127.0.0.1:__PORT____PATH__/;
    proxy_http_version 1.1;
    proxy_set_header Host $http_host;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_buffering off;

    more_set_headers "Content-Security-Policy: frame-ancestors 'self' __ACCESS_DOMAIN__";
}