Managing database users and their passwords can be a hassle. Sometimes, they could even wait in various configuration files, hardcoded. Using certificates can help you avoid the toil of managing, rotating, and securing user passwords, so lets see how to have x509 certificate authentication with the Percona Server for MongoDB Operator and cert-manager. cert-manager is [&]

https://www.percona.com/blog/authenticating-your-clients-to-mongodb-on-kubernetes-using-x509-certificates/