converse_ynh/conf/nginx.conf

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

    # Path to source
    alias __FINALPATH__/;

    index   index.html;

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

    # BOSH
    location = __PATH__/xmpp-websocket {
        proxy_pass "http://localhost:5290/http-bind";
        proxy_buffering off;
        proxy_set_header Host $host;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_read_timeout 86400;
    }
    # CORS
    location ~ .(ttf|ttc|otf|eot|woff|woff2|font.css|css|js)$ {
        more_set_headers "Access-Control-Allow-Origin: '*'"; # Decide here whether you want to allow all or only a particular domain
        root   __FINALPATH__/;  # Properly set the path here
    }

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