add jwtkey config to avoid logging in again after reboot

internal/jwtauth/key.go

@@ -27,12 +27,17 @@ func getKeyVariableName() string {
 	return "PLM_JWT_KEY"
 }
 
-func InitKey() error {
+func InitKey(jwtkey string) error {
 	var err error
 	keyName := getKeyVariableName()
+	//ignore config value, look in env first
 	key := os.Getenv(keyName)
 	if key == "" {
-		key, err = generateSecureToken(64)
+		if jwtkey != "" {
+			key = jwtkey
+		} else {
+			key, err = generateSecureToken(64)
+		}
 		os.Setenv(keyName, key)
 	}
 	return err