private static final String FESS_OVERRIDE_CONF_PATH = "FESS_OVERRIDE_CONF_PATH";

    /** Environment variable name for specifying the application type */
    private static final String FESS_APP_TYPE = "FESS_APP_TYPE";

    /** Constant value representing Docker application type */
    private static final String FESS_APP_DOCKER = "docker";

    /**

        final String logFormat = ComponentUtil.getFessConfig().getAppAuditLogFormat();
        if (StringUtil.isBlank(logFormat)) {
            useEcsFormat = "docker".equals(getEnvMap().get("FESS_APP_TYPE"));
        } else if ("ecs".equals(logFormat)) {
            useEcsFormat = true;
        }
    }

    /**
     * Get the environment map.
     * @return The environment map.
     */