Password Vaults and Secrets Managers — What They Are and How to Set One Up
Overview of password vaults vs secrets managers — personal vs application-level credential storage
At this point you know that secrets shouldn't live in your code. They go in .env files locally and in environment variables in production. But there's a bigger question: where do you keep all the passwords, API keys, and credentials that you personally need to manage?
If the answer is "in my head," "in a text file on my desktop," or "I use the same password for everything," we need to talk.
Two Problems, Two Tools
There are actually two different credential management problems:
Problem 1: Personal credentials. Your logins for GitHub, AWS, Stripe, email, banking — everything you sign into. This is about protecting you as a person.
Problem 2: Application credentials. The API keys, database passwords, and tokens that your apps need to run. This is about protecting your depl
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