In this post, we will see how to create a Web API with Node.js to run all CRUD operations for an entity called Person, using MongoDB as database. We start creating a Node project called MongoCRUD using the command NPM INIT; it will create a package.json file like this: [PACKAGE.JSON] Then, we add a docker-compose… Read More »
In this post, we will see how to use Async/Await in Node.js for working in asynchronous mode in the easiest way.It has been introduced from ES2017 to solve the complexities we can find using Promises. For example, if we want to create a method to calculate the square of a number, using Promises, this is… Read More »
In this post, we will see how to create a web site in Node.js using express. First of all, we open an editor (in my case Visual Studio Code), select the folder where we want to create our project and from the terminal we run the command npm init: Then, we run the command npm… Read More »
In this post, we will see how to create a Rest API with Node.js and Express. First of all, what is Express?Express is an open source web framework that helps us to make developing websites, web apps, & API’s much easier.It supports many templating engines and it is very simple to use. In order to… Read More »
In this post, we will see how to connect a Node application with the MySQL Db called “DbManagerUser”, created in the post: MySQL – How to create a DB. First of all, we open Visual Studio Code, we open a terminal and we install the MySQL Module, using the command npm install mysqlThen, we create an… Read More »
In this post, we will see how pipe works and how we can use it. First of all, what is a pipe?The pipe() function reads data from a readable stream as it becomes available and writes it to a destination writable stream.In the previous post Node.js – Streams, we have read a file and we… Read More »
From internet:“Streams are a way to handle reading/writing files, network communications, or any kind of end-to-end information exchange in an efficient way.What makes streams unique, is that instead of a program reading a file into memory all at once like in the traditional way, streams read chunks of data piece by piece, processing its content without keeping… Read More »
In this post, we will see how to deploy a Node.js application in Azure, using Visual Studio Code. First of all, we have to create a Web App in Azure.We open a browser, go to Azure portal and we select the item “Create a resource”: then, we select the resource “Web App”: Now, we create… Read More »
In this post, we will see hot to create a HTTP server using Node.js.Node.js has a module called HTTP, which allows to transfer data using HTTP.With this module we can create an HTTP server that listens to server ports and gives a response back to the client. We open Visual Studio Code, create a new… Read More »