Node.js

A collection of 55 posts

Node.js

Translate texts in Node.js with Amazon Translate

This shows how to use the AWS SDK v3 client for Amazon Translate in a Node.js application to translate text from one language to one or many.

Node.js

Read environment variables in a Node.js application

This post shows how to load and read environment variables in a Node.js application written in JavaScript first and then in TypeScript. We will see how to validate the environment variables at the application launch.

Prisma

Handle database transactions in Node.js with Prisma ORM

A database transaction is an execution of many operations (insert, update, or delete) as a single unit, taking the database from a consistent state to a consistent one. If one operation fails, all the previous operations are canceled. The properties of a transaction are Atomicity, Consistency, Isolation, and Durability (ACID)

Node.js

Install and use the AWS SDK v3 in Node.js

In this post, we will see how to install the AWS SDK v3 and use it in a Node.js project to interact with an AWS service.

Node.js

Retrieve videos using YouTube Data API v3 in Node.js

In this tutorial, we will see how to retrieve all the YouTube channel videos from the YouTube Data API using the Google APIs SDK for Node.js.

Node.js

Retrieve YouTube API v3 key with Node.js

In this post, we will see how to generate the Access token required to interact with the TouTube Data API v3 and use the OAuth client to retrieve information about a YouTube channel.

Node.js

Upgrade Node.js using NVM the right way

Upgrading the Node.js version with NVM doesn't upgrade the Node.js global packages installed in the current version, in this post, we write a script to do it automatically.

REST API

Create a REST API with AWS Lambda and API Gateway using AWS CDK

This post shows how to define RESTful API routes on AWS API Gateway that invoke Lambda functions. We will write the infrastructure stack using the AWS CDK and SAM for local testing.

Web Scraping

Perform Web scraping in Node.js using a scraping browser

In this post, we will see how to perform web scraping in Node.js on websites with Recaptcha verification and Bot protection using a Scraping Browser and Puppeteer.

Prisma

Handle Database data integrity with the Prisma ORM

In this post, we will see how to use Prisma ORM to handle database integrity for databases that don't support foreign keys constraints, such as MySQL Serverless database (PlanetScale) and MongoDB

Node.js

Install Node.js using NVM

In this post, we will see how to use NVM to install different Node.js versions on the same computer and enable specific Node versions when needed.

Web Scraping

How to scrape amazon.com with Node.js

In this post, we will see how to scrape amazon.com to retrieve information about a product using Node.js with Web Scraper libraries.

Node.js

Get the user IP address in a Node.js application with Express

In this post, we will see how to retrieve the user IP address of a user in an Express Node.js application running behind the reverse proxy Nginx.

RabbitMQ

Publish a message to many Node.js applications using RabbitMQ

In this post, we will see how to publish a message to be consumed by two Node.js applications using RabbitMQ. This is also called Pub/Sub pattern

RabbitMQ

Asynchronous communication between Node.js applications using RabbitMQ

In this post, we will send a message from a Node.js application into a RabbitMQ queue and receive this message from another Node.js application.

Web Scraping

How to Scrape Zillow using Node.js

In this post, we will scrap the Zillow website using a scraping API named ScrapingDog that helps bypass captcha verification and scrap at scale.

Node.js

Load balancing a Node.js application with Nginx

In this post, we will see how to configure a load balancer on a Node.js application using Nginx and see how it improves the performance.

Node.js

Validate request body and parameter in a Node.js Express API

In this post, we will see how to validate the request body sent to an API route built in Node.js with Express Framework.

Node.js

Schedule background tasks in Node.js with node-cron

In this post, we will see how to create and run scheduled background tasks in a Node.js application using node-cron.

Node.js

Using GraphQL union type in a Node.js application

In this post, we will see how to use GraphQL union types in a Node.js application run by Apollo Server.

Node.js

Send email in Node.js using Handlebars and Amazon SES

In this post, we will see how to set up Amazon SES and send emails through SMTP in Node.js using Handlebars and Nodemailer.

Node.js

Configure rate limiting on a Node.js REST API with Express

In this post, we will see how to configure a rate limiting to limit the number of requests a client can make on a Node.js Rest API.

Docker

Build a Docker image of a Node.js application

In this post, we will see how to build the Docker image of a Node.js application and use the Javascript bundler ESbuild to reduce the application bundle and hence the Docker image size.

Node.js

Caching data in Node.js application with Redis

In this post, we will see how to use Redis to cache data retrieved from a MySQL database through a Node.js Application. We will also see how to invalidate the cached data.

Prisma

Handle a Many-to-Many relationship with Prisma and Node.js

In this post, we will see how to create a many-to-many relationship with the Prisma schema and then, create, retrieve and delete data from the database.