From a674079818279cfa0111069d5ae73ef6028ea4f6 Mon Sep 17 00:00:00 2001
From: egawata <egawata@fout.jp>
Date: Mon, 31 Jan 2022 21:05:20 +0900
Subject: [PATCH] raise error when failed to open db connection

---
 main.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/main.go b/main.go
index ed3ddb1..d2801df 100644
--- a/main.go
+++ b/main.go
@@ -30,6 +30,9 @@ func main() {
 	}
 
 	db, err := contract.Open(cfg.Engine.Driver, cfg.Engine.DSN)
+	if err != nil {
+		log.Fatal("failed to open database connection due to: ", err.Error())
+	}
 
 	redis.ListenAndServe(cfg, db)
 }