What is localhost 3000?

👋 DEVs! If you're diving into web development, you've probably come across the term "localhost." It might sound technical, but it's an essential concept that every developer should understand. In this post, I'll break down what localhost is, how it fits into web development, and how you can move from local development to sharing your work on the internet. Let's dive in!

What is Hosting?

Before we get into localhost, let's start with the basics of hosting.

Hosting is like renting space on the internet for your website. Here's a quick overview of the different types of hosting:

- Shared Hosting: Multiple websites share the same server resources. It's like living in an apartment building.

- VPS Hosting: Virtual Private Servers give you a dedicated portion of server resources, similar to a townhouse.

- Dedicated Hosting: You get the entire server to yourself, like owning a house.

- Cloud Hosting: Your website's data is spread across multiple servers, offering scalability and reliability, like living in a city where different parts support each other.

What is Localhost?

Localhost is your own personal private web server on your computer. When you're developing a website, you don't want to make changes directly on the live site. Instead, you run the site on your machine first to test things out. The IP address for localhost is always 127.0.0.1, which points back to your computer.

Let me tell you a funny story, My friend was working on some logos for our project. He wanted our opinions, so he sent us links to check them out. But instead of using a proper server, he shared localhost links! Of course, none of us could see the logos because those links only worked on his computer. We all had a good laugh about it 😂, but it was a great learning moment about the importance of proper hosting.

Local Hosting with Python

One of the easiest ways to host files locally is by using Python's built-in HTTP server. Here's how you can do it:

1. Navigate to Your Project Directory:

Open your terminal and navigate to the directory containing your website files.

cd path/to/your/project

2. Start the Local Server:

Make sure you have Python 3 installed on your machine.
Run the following command to start a simple HTTP server:

python3 -m http.server 8080

3. Access Your Local Site:

Open your web browser and go to http://localhost:8080. You should see your website running locally.

Sharing Your Localhost with Ngrok

Sometimes, you need to share your local development with others without deploying it to a live server. Ngrok is a fantastic tool for this. Here's how you can set it up:

1. Download and Install Ngrok:

Download Ngrok from ngrok.com and install it.

2. Expose Your Local Server:

Run your local server (as shown above), then open another terminal and run:

ngrok http 8080

Here, 8080 is the port your local server is using. Modify this if you are hosting on a different port.

3. Share the Public URL:

Ngrok will provide a public URL that tunnels to your local server. Share this URL with others, and they can access your local site.

General Web Hosting for Projects

When you're ready to make your project available to the world, you need to host it on an internet server. In real-world projects, you typically need to purchase a domain name and set up DNS (Domain Name System) to map your domain name to your website's IP address. This makes your site accessible via a human-readable address like www.akasht.dev.
Here are some popular hosting providers that can help you get your project online:

• AWS (Amazon Web Services): Offers a range of hosting options, from simple static website hosting to complex application hosting with services like EC2, S3, and Elastic Beanstalk. AWS provides a highly scalable and reliable infrastructure.

• Vercel: Specializes in hosting modern web applications with a focus on performance and ease of use. It's particularly great for frameworks like Next.js and supports features like serverless functions and edge caching.

• Netlify: Provides an easy way to deploy static sites and serverless functions. Netlify offers integrated CI/CD, custom domains, SSL, and powerful build tools that streamline the development and deployment process.

• Heroku: A cloud platform that allows you to build, run, and operate applications entirely in the cloud. It supports multiple programming languages and offers features like managed databases, monitoring, and scaling.

These platforms offer various tools and integrations to streamline the deployment process, making it easier to get your project online and accessible to users worldwide.

Conclusion

Understanding localhost and how to move your projects to internet hosting is crucial for any budding web developer. It's all part of the process of taking your work from your personal workspace to the world stage. And remember, sharing localhost links is a rookie mistake we all laugh about later.

To dive deeper into what the internet is and how it works, check out my blog 'Unveiling the Magic of the Internet' I wrote earlier.

Happy coding! 🧑🏽‍💻