Install 4.1.0 on Ubuntu 20.4

Installed the very latest version 4.1.0 on Ubuntu VPS clean install eventuall got past the OOps screen but can not solve streams not working or uploading tracks - they get stuck pending. Seem we need more info for
api_key:_________ and secret_key:_________ no info in install as to where or what to use.
some info from error log
2024-05-07T20:05:53+00:00 ERR (3): [ErrorController.php:62 - errorAction()] - An internal application error has occurred.: PhpAmqpLib\Exception\AMQPIOException: stream_socket_client(): unable to connect to tcp://localhost:5672 (Cannot assign requested address) in /usr/share/libretime/legacy/vendor/php-amqplib/php-amqplib/PhpAmqpLib/Wire/IO/StreamIO.php:95