http://projects.spring.io/spring-vault/
https://github.com/spring-projects/spring-vault
https://docs.spring.io/spring-vault/docs/current/reference/html/index.html
    ! no "enabled" property

https://developer.hashicorp.com/vault/api-docs/libraries

https://spring.io/guides/gs/vault-config/
    https://github.com/spring-guides/gs-vault-config
        https://github.com/spring-guides/gs-vault-config/blob/main/complete/src/main/resources/application.properties

https://www.testcontainers.org/modules/vault/
https://github.com/testcontainers/testcontainers-java/tree/main/modules/vault
https://github.com/testcontainers/testcontainers-java/blob/main/modules/vault/src/main/java/org/testcontainers/vault/VaultContainer.java
    /v1/sys/health -> 200

2022
https://www.baeldung.com/spring-vault
2021
https://piotrminkowski.com/2021/12/30/vault-on-kubernetes-with-spring-cloud/
    !!! spring.cloud.vault.config.lifecycle.enabled
2020
CodeForgeYT - Java Spring Boot - Vault Integration Configuration - Reading Secrets from Secret Storage of 12:43
    https://www.youtube.com/watch?v=MaTDiKp_IrA
https://www.baeldung.com/vault
    $ vault server -config ./vault-test.hcl
    storage "file" {
        path = "./vault-data"
    }
    listener "tcp" {
        address = "127.0.0.1:8200"
        tls_cert_file = "./src/test/vault-config/localhost.cert"
        tls_key_file = "./src/test/vault-config/localhost.key"
    }
2017
https://spring.io/blog/2017/04/12/spring-vault-1-0-goes-ga

cfg
spring.cloud.vault
    token - root token

samples
https://www.spektor.dev/vault-agent-docker-compose-setup/
https://github.com/mp911de/spring-cloud-vault-config-samples
https://www.misterpki.com/vault-docker/
    ! custom sh-starter with kv put