It is a common knowledge that Node.js is a single-threaded single-core process. It sounds like an issue, but it gives you full freedom over how many processes you can run and how many cores want to utilize.
…Simple load balancer with Docker, Nginx and Node.jsRead More »
This is an easy task, but you will need to find a way to get the user’s IP address. And here’s how.
…Block user based on IP address in Express or any other Node HTTP serverRead More »
It shouldn’t be hard to detect a user’s country based on the IP address, right? Right… I really liked the simplicity of ip2location module: load the BIN file, get the location, and close the BIN file.
Can you make an HTTP/3 request with Node.js? I asked that question on OpenAI’s playground to see how it handles the question that doesn’t have the answer.
…EventSource is a handy API supported by all browsers, which runs over the regular HTTP protocol and doesn’t require setting up a separate WebSocket service. However, it has limitations, such as data being one-directional (server to client) or a connection being constantly occupied. Let’s dive in.
…Node.js can be used to easily run a web server by using the built-in HTTP module or a web framework such as Express, Hapi, or Fastify. The process involves creating an HTTP server, setting up routes, and starting the server to listen on a specific port for incoming requests.
…5 ways to create an HTTP/HTTP2 server with Node.js.Read More »
Being from early JavaScript days, you might’ve been used to setting a timeout for all your HTTP requests in jQuery or libraries like axios, request, etc. Yet to your surprise, there’s no timeout parameter for native browser’s fetch.
Let’s chew down another issue: we have a /public folder with images, and depending on the browser we want to serve a WEBP or AVIF to save bandwidth and decrease page load time.
…Automatically serve .webp or .avif with Node.js based on browser request headers.Read More »
What if I tell you generating images is actually an easy task, and you can create a simple placehold.it clone with only a bunch of lines.
…How to create a placehold.it image generator clone with Node.js?Read More »
In this example we’ll see how to create an HTTP API with 3 main components: Signup, Login and a login-only route. Let’s start by setting up a new project and including Express for handling the routes, JSON Web Token to handle auto-expiring tokens, and bcrypt to encrypt user passwords. Initialize the new project in an empty folder. We’ll name the main file index.mjs to utilize top level awaits and have import/export functionality.
How to create a simple HTTP API with authentication with Node.js?Read More »