logger = LogManager.getLogger(loggerName);
        final String logFormat = ComponentUtil.getFessConfig().getAppAuditLogFormat();
        if (StringUtil.isBlank(logFormat)) {
            useEcsFormat = "docker".equals(System.getenv("FESS_APP_TYPE"));
        } else if ("ecs".equals(logFormat)) {
            useEcsFormat = true;
        }
    }

    public void login(final OptionalThing<FessUserBean> user) {

public class ResourceUtil {
    private static final String FESS_OVERRIDE_CONF_PATH = "FESS_OVERRIDE_CONF_PATH";

    private static final String FESS_APP_TYPE = "FESS_APP_TYPE";

    private static final String FESS_APP_DOCKER = "docker";

    protected ResourceUtil() {
        // nothing
    }

    public static String getFesenHttpUrl() {
        final String url = SystemUtil.getSearchEngineHttpAddress();
        if (url != null) {