I wrote small program to retrieve secrets from Vault and provide them to my PHP and Python apps. ENV variables with connection credentials is useful with Docker containers and even Kubernetes, list of secrets to retrieve can be stored inside Docker image.
Secret stored in Vault
Result file on disk
Source code and binary release https://git.blindage.org/21h/vault-retriever
Fortune cookie: "Faith is deciding to allow yourself to believe something your intellect would otherwise cause you to reject -- otherwise there's no need for faith."