srv := echo.New()
fp, err := os.OpenFile("/var/log/echo/access.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
panic(err)
}
logger := echo_alp_logger.LoggerWithConfig(echo_alp_logger.LoggerConfig{
Output: fp,
})
srv.Use(logger)