As I have been working on many software projects and teams, I see that sharing credentials among developers is a common thing. Sometimes, developers store credentials in a file where everyone in the team can access them just to streamline the development process. But, I was also wondering how to maintain the security of the software or data managed while the credentials are accessible to everyone. How can we monitor the usage, make sure that no one in the team uses the credentials differently than they're supposed to be, or renew the credentials with ease? Hashicorp Vault is one of the solutions in the market that can answer that question. There are three main problems that Vault solves. The first is called secret sprawl where the credentials are spread everywhere to many individuals. Then, it becomes difficult when someone leave the team and we have to renew the existing credentials to secure the access. Vault can provide a mechanism to centralize the credentials storage, p...