You Are Designing a Large Distributed Application with 30 Microservices

Multiple Choice

You are designing a large distributed application with 30 microservices. Each of your distributed microservices needs to connect to a database back-end. You want to store the credentials securely. Where should you store the credentials?

A) In the source code
B) In an environment variable
C) In a secret management system
D) In a config file that has restricted access through ACLs