An example of how to set your Node.js application up to enable deployment on Kinsta App Hosting services.

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During the deployment process Kinsta will automatically install dependencies defined in your package.json file.

Kinsta automatically sets the PORT environment variable. You should not define it yourself and you should not hard-code it into the application. Use process.env.PORT in your code when referring to the server port.

app.listen(process.env.PORT, () => {
    console.log(`Hello World Application is running on port ${process.env.PORT}`)
})

When deploying an application Kinsta will automatically create a web process with npm start as the entry point. Make sure to use this command to run your server. If you would like to use another command you will need modify the runtime process in MyKinsta.

  "scripts": {
    "start": "node server.js"
  },

Whenever a deployment is initiated (through creating an application or re-deploying due to an incoming commit) the npm build command is run, followed by the npm start command.

Node.js is a runtime environment that allows developers to execute JavaScript code outside of a web browser, enabling server-side scripting and building scalable network applications. It utilizes an event-driven, non-blocking I/O model, making it efficient for handling concurrent requests and real-time applications.. Learn more on nodejs.org.