아미(아름다운미소)

const { MongoClient } = require('mongodb') const MONGO_DB = 'mongodb://localhost:27017' let db try { const client = await MongoClient.connect(MONGO_DB, { useNewUrlParser: true }) db = client.db('nodejsdb') console.log("데이타베이스에 연결되었습니다. :" + MONGO_DB); } catch (error) { console.log(` Mongo DB Host not found! please add DB_HOST environment variable to .env file exiting... `) process.exit(1) }