mongo-db.js const mongoose = require("mongoose"); // 스키마와 모델 정의 const planetSchema = new mongoose.Schema({}); // const testPlanetSchema = new mongoose.Schema({}); const Planet = mongoose.model("Planet", planetSchema); const TestPlanet = mongoose.model("TestPlanet", planetSchema); exports.mongoDB = async () => { try { await mongoose.connect("mongodb+srv://hr:"패스워드입력"@cluster0.bjwmlof.mongodb.net/..