I realized the integration of vault and k8s through Vault Agent Containers, and now I have a little problem when using vault.hashicorp.com/agent-inject-template for secret processing. The value under internal/data/database/config of vault service is as shown in the figure below
My yaml file is as follows:
The error message is also obvious：
Now I want to take the value of test.a, how should I write it? The difficulty is that this key contains the .