email limit & password limit

utils/auth/register.go

@@ -118,7 +118,7 @@ func ValidateEmail(email string) bool {
 // ValidatePassword checks if the provided password is strong enough.
 // In this example, we just check if the password length is 8 or more.
 func ValidatePassword(password string) bool {
-	const minPasswordLength = 8
+	const minPasswordLength = 30
 	return len(password) >= minPasswordLength
 }