1.0.10 • Public • Published


This repository is an open source implementation of a backend with a MongoDB database for persistence. This package enables a standard serverless backend to run as a standalone express.js instance.

codehooks-mongodb is a great option to avoid service lock-in or if you just want to run and manage it yourself.


Consider the standard Codehooks serverless CRUD app in the index.js file below.

/* index.js
*  A minimal backend app
import { app } from 'codehooks-js';
import crudlify from 'codehooks-crudlify';

app.all('/myroute', (req, res) => {
    res.end('Hit me again with any method!')
// Add CRUD routes for any collection

export default app.init();

The codehooks backend above can be deployed to the cloud serverless runtime with the coho deploy command.

However, the same app can also run as a standalone node.js express app. The trick is to add a separate JavaScript startup file, e.g. standalone.js. An example startup file is shown below, adapt it to your needs, express settings, MongoDB connection string, etc.

* standalone.js
* Example express app for running standalone using MongoDB
import coho from './index.js';
import mongoStore from 'codehooks-mongodb';
import express from 'express';
import bodyParser from 'body-parser';
const app = express();
import Debug from "debug";
const debug = Debug("codehooks-standalone");

app.use(bodyParser.json({ limit: '10mb' }));

const options = {
    "datastore": new mongoStore(process.env.MONGODB_URI || 'mongodb://localhost:27017')

// important, make codehooks use express and MongoDB
coho.useExpress(app, options);

app.listen(3000, () => {
    console.log("Running standalone on port 3000")

Create a package.json file for your app.

npm install codehooks-mongodb codehooks-js codehooks-crudlify express body-parser mongodb debug --save

This should create something like the following package.json file. To enable JavaScript ES6 you need to set "type":"module" manually. Also add a scripts.start command to start the express server.

  "type": "module",
  "scripts": {
    "start": "node standalone.js"
  "dependencies": {
    "body-parser": "^1.20.1",
    "codehooks-crudlify": "^1.0.7",
    "codehooks-js": "^1.0.4",
    "codehooks-mongodb": "^1.0.3",
    "debug": "^4.3.4",
    "express": "^4.18.2",
    "mongodb": "^5.0.1"

Alternatively you can copy the package.json above and install the dependencies with npm install.

If you don't have a MongoDB instance already, you you can start a local MongoDB as a docker container.

docker run -d -p 27017:27017 --name mongodb mongo:latest

Finally, start your serverless node.js app locally with the npm start command. It should output the following message.

> start
> node standalone.js

Running standalone on port 3000

Your app is now listening on http://localhost:3000/dev/myroute.

The Crudlify package generates GET, PUT, POST, PATCH and DELETE on any collection route, e.g. /dev/mycollection.

Tip: Read the docs for the open source Crudlify package which creates a full CRUD REST API for your serverless node.js app.


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