mongooseでdb接続
connect成功と失敗でlogを出力させた。
// Set up Default mongoose connection
var mongoDB = require('./.db_url');
var DB_URL = mongoDB.LOCAL_DB;
// connect mongoDB
mongoose
.connect(DB_URL, {
useUnifiedTopology: true,
useNewUrlParser: true,
})
.then(() => console.log('DB Connected!'))
.catch(err => {
console.log(`DB Connection Error:${err.message}`);
});