database.ts

import { MongoClient } from "https://deno.land/x/mongo@v0.8.0/mod.ts";

const client = new MongoClient();
client.connectWithUri("mongodb://localhost:27017");

const db = client.database("test");
const users = db.collection("cities");

// insert
const insertId = await users.insertOne({
  name: "Delhi",
  country: "India",
  population: 10000
});
console.log(`Successfully inserted with the id: ${JSON.stringify(insertId)}`)