Is this still the best approach to secure airbyte using a htpasswd via nginx? https://shadabshaukat.medium.com/deploy-and-secure-airbyte-with-nginx-reverse-proxy-basic-authentication-lets-encrypt-ssl-72bee223a4d9

Yep it's still a valid approach. We have some recommendations on our docs too here. Feel to post on our forum if you need further assistance on this topic