Add connect MongoDB retry options(#133) (#146)

* fix - Add connect MongoDB retry options(#133)

* fix - Update mongodb reconnect tries(#133)

Author: Debiancc

bin/generate_access_token.js

@@ -10,7 +10,7 @@ const UserModel = require('../app/model/user')({
   mongoose,
 });
 
-mongoose.connect(config.mongoose.url, function(err) {
+mongoose.connect(config.mongoose.url, config.mongoose.options, function(err) {
   if (err) {
     console.error('connect to %s error: ', config.mongoose, err.message);
     process.exit(1);

config/config.default.js

@@ -118,6 +118,8 @@ module.exports = appInfo => {
     url: process.env.EGG_MONGODB_URL || 'mongodb://127.0.0.1:27017/egg_cnode',
     options: {
       server: { poolSize: 20 },
+      reconnectTries: 10,
+      reconnectInterval: 500,
     },
   };