From b9be95af38bad41ed52a78e4f012d410b33eee34 Mon Sep 17 00:00:00 2001
From: hlts2 <hiroto.funakoshi.hiroto@gmail.com>
Date: Thu, 9 Jul 2020 15:33:42 +0900
Subject: [PATCH] feat: add comment

Signed-off-by: hlts2 <hiroto.funakoshi.hiroto@gmail.com>
---
 internal/config/mysql.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/internal/config/mysql.go b/internal/config/mysql.go
index 824fcb007b5..8906649cddc 100644
--- a/internal/config/mysql.go
+++ b/internal/config/mysql.go
@@ -17,6 +17,7 @@
 // Package config providers configuration type and load configuration logic
 package config
 
+// MySQL represent the mysql configuration.
 type MySQL struct {
 	DB                   string `json:"db" yaml:"db"`
 	Host                 string `json:"host" yaml:"host"`
@@ -35,6 +36,7 @@ type MySQL struct {
 	TCP                  *TCP   `json:"tcp" yaml:"tcp"`
 }
 
+// Bind returns MySQL object whose some string value is filed value or environment value.
 func (m *MySQL) Bind() *MySQL {
 	if m.TLS != nil {
 		m.TLS.Bind()