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.

Nginx

Install an SSL certificate for Web application running behind Nginx

In this post, we will see how to install buy and install an SSL certificate on a domain name serving a Web application through an Nginx server.

DevOps

How to copy files over SSH

In this post, we will see how to copy files and directories over SSH from a local computer to a server and vice versa using SCP.

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.

Spring Boot

Send and receive messages from a Spring boot applications using RabbitMQ

In this post, we will send a message from an application into a RabbitMQ queue and receive it from another application using Java and Spring Boot

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.

RabbitMQ

Install RabbitMQ on a Ubuntu Server 22.04

In this post, we will see how to install and manage RabbitMQ on Ubuntu 22.04; enable the Web admin UI that is accessible from a subdomain

Docker

Manage your Docker container with Docker Swarm

In this post, we will learn what Docker Swarm is and how it works, then see how to manage containers of a backend Web application.

Docker

Push a Docker image into the Docker Hub

In this post, we will see how to build a Docker image of a project. Push the image created to the Docker Hub in a private and public repository.

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.

Personal

My year 2022 in review

In this post, I share the review of my year 2022, grouped into three categories: blogging journey review, my professional life, and my personal life.

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.

Python

How to install Python 2 on Mac OS 12.3 and higher

Python 2 has been removed since MacOS 12.3 and also from Homebrew. In this post, I show how to install Python 2.7 on MacOS Monterrey and higher.

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.

Spring Boot

Document a Spring Boot REST API with Swagger and Open API

In this post, we will see how to write API documentation using Open API and Swagger for REST API built with Spring Boot and MySQL.

Spring Boot

Build a REST API With Spring Boot and MySQL

In this post, we will see how to build a REST API using Java and Spring Boot connected to a MySQL database.

Spring Boot

Make HTTP requests in a Java application using Spring RestTemplate

In this post, we will see how to consume an external service from a Spring Boot application using the methods of the RestTemplate class.

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.

Git

Clone a folder in a Git repository with sparse-checkout

If you have a remote Git repository and want to clone a specific folder inside, I will show you how to do that using the sparse checkout command of Git.

Docker

Push a Docker image in AWS Elastic Container Registry

In this post, we will see how to push a Docker image into a private and public repository on AWS Elastic container repository.