You need a simple and self-contained HashiCorp Vault cluster deployment with minimal dependencies.

Comprehensive and Detailed In-Depth Explanation:

For self-contained deployment:

B. Integrated Storage (raft): "The best choice for a simple and self-contained Vault cluster deployment with minimal dependencies." Uses Raft for consistency, no external services needed.

Incorrect Options:

A: Less reliable for production.

C: Requires Consul.

D: Non-persistent, for testing.