edit: config

config.json

@@ -1,4 +1,5 @@
 {
+	"MongoDBUrl":"mongodb://localhost:27017/",
 	"Emails":[
 			{"Address":"[email protected]", "Password":"testing","Host":"mail.google.com","Port":"465"},
 			{"Address":"[email protected]", "Password":"testing","Host":"mail.google.com","Port":"465"}

config/config.go

@@ -11,6 +11,7 @@ var (
 )
 
 type Configuration struct{
+	MongoDBUrl 	string
 	Emails		[]Email
 	Jwtkey		string
 }
@@ -50,4 +51,8 @@ func GetAnEmail() *Email {
 		return nil
 	}
 	return &(Config.Emails[0])
+}
+
+func GetMongoDBUrl() string{
+	return Config.MongoDBUrl
 }

main.go

@@ -13,8 +13,8 @@ import (
 )
 
 func init() {
-	mongodb.Connect()
 	config.GetConfig()
+	mongodb.Connect()
 }
 
 func main() {

mongodb/mongodb.go

@@ -1,9 +1,10 @@
 package mongodb
 
 import (
-	"os"
+
 	"fmt"
 	"gopkg.in/mgo.v2"
+	Config "goServe/config"
 )
 
 var (
@@ -20,7 +21,8 @@ const (
 )
 
 func Connect() {
-	uri := os.Getenv("MONGODB_URL")
+	//uri := os.Getenv("MONGODB_URL")
+	uri := Config.GetMongoDBUrl()
 	if len(uri)==0 {
 		uri = MongoDBUrl
 	}