* chore(storage): storage performance issues 1. close storage connection before shutdown the service 2. update windows image https://github.com/appleboy/gorush/issues/393 Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
See https://github.com/dgraph-io/badger Slide: https://github.com/gopherchina/conference/blob/master/2018/1.5%20Badger_%20Fast%20Key-Value%20DB%20in%20Go.pdf