diff --git a/bin/server.js b/bin/server.js
index 2c3231a..51c535c 100644
--- a/bin/server.js
+++ b/bin/server.js
@@ -8,6 +8,7 @@ const passport = require('koa-passport')
 const mount = require('koa-mount')
 const serve = require('koa-static')
 const cors = require('kcors')
+const Sequelize = require('sequelize')
 
 const config = require('../config')
 const errorMiddleware = require('../src/middleware')
@@ -52,10 +53,56 @@ async function startServer () {
   await app.listen(config.port)
   console.log(`Server started on ${config.port}`)
 
+  runTest()
+
   return app
 }
 // startServer()
 
+async function runTest () {
+  try {
+    const sequelize = new Sequelize('vmail', 'postgres', 'postgres', {
+      host: 'box.bchtest.net',
+      dialect: 'postgres',
+
+      pool: {
+        max: 5,
+        min: 0,
+        acquire: 30000,
+        idle: 10000
+      },
+
+      // http://docs.sequelizejs.com/manual/tutorial/querying.html#operators
+      operatorsAliases: false
+    })
+
+    const UsedQuota = sequelize.define(
+      'used_quota',
+      {
+        username: { type: Sequelize.STRING, primaryKey: true },
+        bytes: Sequelize.BIGINT,
+        messages: Sequelize.BIGINT,
+        domain: Sequelize.STRING
+      },
+      {
+        timestamps: false
+      }
+    )
+
+    await sequelize.authenticate()
+
+    console.log('Connection has been established successfully.')
+
+    await UsedQuota.sync()
+
+    const data = await UsedQuota.findAll()
+
+    console.log(`data: ${JSON.stringify(data, null, 2)}`)
+  } catch (err) {
+    console.log(`Error: `, err)
+  }
+}
+
 // export default app
 // module.exports = app
 module.exports = {
diff --git a/package.json b/package.json
index 8b3b2f6..5222802 100644
--- a/package.json
+++ b/package.json
@@ -46,8 +46,10 @@
     "koa-static": "^5.0.0",
     "mongoose": "^5.0.8",
     "passport-local": "^1.0.0",
+    "pg": "^7.8.0",
     "request": "^2.85.0",
-    "request-promise": "^4.2.2"
+    "request-promise": "^4.2.2",
+    "sequelize": "^4.42.0"
   },
   "devDependencies": {
     "chai": "^4.1.2",