Two part series: Password security with Hashicorp Vault and Ansible for Docker
Unfortunately, BTRFS has still not been integrated into the kernel on Raspberry Pi systems. If you convert your Raspberry Pi to 64 bit, you will not be able to make any progress with the current solutions. With a little trickery it is still possible.
One of the biggest drawbacks of Ghost CMS is the lack of full-text search. Even alternatives like Algolia are too limited to be considered full-text search. Using OpenSearch as database and a webhook I show how to implement a relatively performant full text search in Ghost CMS.
Those who want to test APIs usually need passwords or tokens, which almost all API test clients keep plaintext. With Hashicorp Vault as a secret manager, however, you have a way to remedy this deficiency as well.