Secrets Exposure
- Vulnerable
 - Solution 1
 - Solution 2 - API code: 
pages/api/example-5-secrets-exposure/solution-2.ts 
The following API key should not be any value other than "undefined" in the frontend regardless of which user tries to access the page:
process.env.API_KEY:
Show API results fetched using the process.env.API_KEY variable
{
  "error": "Missing API key"
}The following users should not contain the "passwordHash" property, regardless of which user tries to access the page:
[
  {
    "id": 1,
    "username": "alice"
  },
  {
    "id": 2,
    "username": "bob"
  }
]