mongoose, express boiler plate code

mongoose-express-boilerplate.js

const express = require("express");
const bodyParser = require("body-parser");
const ejs = require("ejs");
const mongoose = require("mongoose");

const app = express();

app.set("view engine", "ejs");

app.use(bodyParser.urlencoded({ extended: true }));
app.use(express.static("public"));

mongoose.connect("mongodb://localhost:27017/wikiDB", {
  useNewUrlParser: true,
  useUnifiedTopology: true,
});

// Create the schema
const arcticlesSchema = new mongoose.Schema({
  title: String,
  content: String,
});

// Create the model
const Article = mongoose.model("Article", arcticlesSchema);

// Create an article
// Create three default items
const article1 = new Article({
  title: "First article vis mongoose",
  content:
    "Scelerisque eleifend donec pretium vulputate sapien. Rhoncus urna neque viverra justo nec ultrices. Arcu dui vivamus arcu felis bibendum. Consectetur adipiscing elit duis tristique. Risus viverra adipiscing at in tellus integer feugiat. Sapien nec sagittis aliquam malesuada bibendum arcu vitae. Consequat interdum varius sit amet mattis. Iaculis nunc sed augue lacus. Interdum posuere lorem ipsum dolor sit amet consectetur adipiscing elit. Pulvinar elementum integer enim neque. Ultrices gravida dictum fusce ut placerat orci nulla. Mauris in aliquam sem fringilla ut morbi tincidunt. Tortor posuere ac ut consequat semper viverra nam libero.",
});

article1.save(function(err){
    if(err){
        console.log(err)
    }
})

let port = process.env.PORT;
if (port == null || port == "") {
  port = 3000;
}
app.listen(port, function () {
  console.log("Server has started.");
});