How do I lock down Firebase Database to any user from a specific (email) domain?

Question

I have a small, personal Firebase webapp that uses Firebase Database. I want to secure (lock down) this app to any user from a single, specific domain. I want to authenticat

Answer 1

Here is code working fine with my database , I have set rule that only my company emails can read and write data of my firebase database .

{
  "rules": {
    ".read": "auth.token.email.matches(/.*@yourcompany.com$/)",


        ".write": "auth.token.email.matches(/.*@yourcompany.com$/)"
      }
    }