Developing Your Applications More Efficiently with MongoDB Atlas Serverless Instances

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npm init -y
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npm install mongodb
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touch main.js

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const { MongoClient } = require("mongodb");
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const mongoClient = new MongoClient("MONGODB_URI_HERE");
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(async () => {
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    try {
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        await mongoClient.connect();
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        const database = mongoClient.db("example");
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        const collection = database.collection("people");
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        const inserted = await collection.insertOne({
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            "firstname": "Nic",
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            "lastname": "Raboy",
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            "location": "California, USA"
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        });
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        const found = await collection.find({ "lastname": "Raboy" }).toArray();
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        console.log(found);
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        const deleted = await collection.deleteMany({ "lastname": "Raboy" });
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    } catch (error) {
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        console.error(error);
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    } finally {
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        mongoClient.close();
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    }
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})();

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const { MongoClient } = require("mongodb");
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const Express = require("express");
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const BodyParser = require("body-parser");
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const app = Express();
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app.use(BodyParser.json());
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const mongoClient = new MongoClient("MONGODB_URI_HERE");
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var database, purchasesCollection, dealsCollection;
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app.get("/deal", async (request, response) => {
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    try {
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        const deal = await dealsCollection.findOne({ "date": "2022-10-07" });
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        response.send(deal || {});
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    } catch (error) {
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        response.status(500).send({ "message": error.message });
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    }
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});
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app.post("/purchase", async (request, response) => {
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    try {
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        if(!request.body) {
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            throw { "message": "The request body is missing!" };
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        }
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        const receipt = await purchasesCollection.insertOne(
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            { 
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                "sku": (request.body.sku || "000000"),
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                "product_name": (request.body.product_name || "Pokemon Scarlet"),
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                "price": (request.body.price || 59.99),
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                "customer_name": (request.body.customer_name || "Nic Raboy"),
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                "purchase_date": "2022-10-07"
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            }
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        );
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        response.send(receipt || {});
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    } catch (error) {
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        response.status(500).send({ "message": error.message });
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    }
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});
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app.listen(3000, async () => {
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    try {
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        await mongoClient.connect();
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        database = mongoClient.db("example");
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        dealsCollection = database.collection("deals");
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        purchasesCollection = database.collection("receipts");
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        console.log("SERVING AT :3000...");
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    } catch (error) {
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        console.error(error);
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    }
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});