The case for boring technology
Your customers cannot tell what database you use. They can absolutely tell when your site is down.
Every unproven tool you adopt costs an innovation token: hours of debugging, hiring risk, and operational surprises. Great teams hoard those tokens and spend them where customers can feel the difference.
Postgres, a queue, and a cache will carry you astonishingly far. Be boring where it doesn't matter so you can be remarkable where it does.