Encryption at rest without an Enterprise edition
What changes in Encryption at rest without an Enterprise edition compared with MongoDB and what your application has to do.
This difference is of the Addition kind.
What MongoDB does
--enableEncryption belongs to MongoDB Enterprise.
What TeselaDB does
It comes in the same binary and, without --encryptionKeyFile, takes the key from the cluster PKI.
What your application has to do
Turn it on if your disks do not already encrypt the data.