[chucky_z]

You can run vault on a single t3.medium backed by s3 with auto unseal and get pretty decent performance.

[scarface74]

If you don’t care about silly things like high availability and reliability. Hashicorp even recommends a cluster of three.

https://www.vaultproject.io/docs/concepts/ha/

And what business at scale is optimizing over 0.25 per secret and doesn’t care about HA?