db connection to infrastructure

README.md

@@ -1,6 +1,7 @@
 ```
 ├── domain
-│   └── model
-│       └── user.go (NEW!)
+├── infrastructure
+│   └── datastore
+│       └── dbMySQL.go (NEW!)
 └── main.go (UPDATED!)
 ```

infrastructure/datastore/dbMySQL.go

@@ -0,0 +1,28 @@
+package datastore
+
+import (
+    "fmt"
+
+    "github.com/jinzhu/gorm"
+    _ "github.com/jinzhu/gorm/dialects/mysql"
+)
+
+func NewMySQL() *gorm.DB {
+    connectString := fmt.Sprintf(
+        "%s:%s@tcp(%s:%s)/%s%s",
+        "user",
+        "secret",
+        "0.0.0.0",
+        "3306",
+        "goSample",
+        "?charset=utf8&parseTime=True&loc=Local",
+    )
+    db, err := gorm.Open("mysql", connectString)
+    if err != nil {
+        panic(err.Error())
+    }
+    db.LogMode(true)
+    db.Set("gorm:table_options", "ENGIN=InnoDB")
+
+    return db
+}

main.go

@@ -11,28 +11,9 @@ import (
     "github.com/julienschmidt/httprouter"
 
     "api/domain/model"
+    "api/infrastructure/datastore"
 )
 
-func connectDB() *gorm.DB {
-    connectString := fmt.Sprintf(
-        "%s:%s@tcp(%s:%s)/%s%s",
-        "user",
-        "secret",
-        "0.0.0.0",
-        "3306",
-        "goSample",
-        "?charset=utf8&parseTime=True&loc=Local",
-    )
-    db, err := gorm.Open("mysql", connectString)
-    if err != nil {
-        panic(err.Error())
-    }
-    db.LogMode(true)
-    db.Set("gorm:table_options", "ENGIN=InnoDB")
-
-    return db
-}
-
 func setRouter(router *httprouter.Router, db *gorm.DB) {
     // USER API
     router.POST("/api/user/register", func(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
@@ -61,7 +42,7 @@ func setRouter(router *httprouter.Router, db *gorm.DB) {
 }
 
 func main() {
-    db := connectDB()
+    db := datastore.NewMySQL()
     r := httprouter.New()
     setRouter(r, db)