DATABASE_URL=postgresql://user:password@localhost:5432/mydb

API_KEY=아무도모르는비밀키1234567890

API_KEY=http://localhost:3000

API_KEY=google-oauth-client-id

API_KEY=google-oauth-secret

API_KEY=sk-...

API_KEY=sk_test_...

API_KEY=https://api.myapp.com

API_KEY=pk_test_...