How to Use GitHub Copilot to Write a Full Web App in 2 Hours

If you’ve ever felt overwhelmed by the prospect of building a web app, you’re not alone. Many indie hackers and solo founders share the same anxiety. The idea of writing thousands of lines of code can be daunting. But what if I told you that you could leverage GitHub Copilot to streamline the process and actually build a full web app in just two hours? Sounds too good to be true? Let’s break it down.

What is GitHub Copilot?

GitHub Copilot is an AI-powered code completion tool that suggests whole lines or blocks of code as you type. It’s like having a pair of experienced developers sitting beside you, ready to offer code snippets, functions, and even entire class structures based on your comments and the context of your project.

Pricing Breakdown

• Free Tier: Available for individuals and students with limited features.
• Pro Plan: $10/month for individuals or $19/month for businesses.
• Enterprise Plan: Custom pricing for larger teams with enhanced features.

Best For

• Indie hackers: Especially useful for those who are not full-time developers and need faster coding solutions.
• Prototyping: Rapidly testing ideas and building MVPs.

Limitations

• Contextual Understanding: It can misinterpret your intent, leading to incorrect suggestions.
• Dependency on Internet: Requires a reliable internet connection to function.
• Code Quality: While it generates code, it may not always follow best practices or be optimized.

Prerequisites for Building Your Web App

Before diving in, here’s what you’ll need:

• GitHub account: Sign up for free if you don’t have one.
• Visual Studio Code: Download and install this code editor.
• GitHub Copilot extension: Install it from the VS Code marketplace.
• Basic knowledge of JavaScript: Familiarity with the language will help you guide Copilot effectively.

Step-by-Step Guide to Building a Web App

Step 1: Set Up Your Environment (15 minutes)

1. Install Visual Studio Code: If you haven't already, download and install VS Code.
2. Install GitHub Copilot: Go to the Extensions Marketplace and search for GitHub Copilot to install it.
3. Create a New Project: Open VS Code and create a new folder for your web app.

Step 2: Initialize Your Project (20 minutes)

1. Create an HTML file: Start with index.html and add basic HTML structure.

   <!DOCTYPE html>
   <html lang="en">
   <head>
       <meta charset="UTF-8">
       <meta name="viewport" content="width=device-width, initial-scale=1.0">
       <title>Your Web App</title>
   </head>
   <body>
       <h1>Welcome to My Web App</h1>
   </body>
   </html>
   

2. Set Up CSS and JS Files: Create styles.css and app.js files for styling and functionality.
3. Link Your Files: Add links to styles.css and app.js in your HTML.

Step 3: Use GitHub Copilot to Generate Code (1 hour)

1. Comment Your Intent: For example, write // Create a button in your app.js file. Copilot will suggest code for you.
2. Accept Suggestions: Use the Tab key to accept Copilot's suggestions or modify them as needed.
3. Iterate Quickly: Continue writing comments to guide Copilot in generating the components you need (like forms, API calls, etc.).

Step 4: Testing Your Web App (20 minutes)

1. Open Live Server: Use the Live Server extension in VS Code to run your app locally.
2. Debugging: Check the console for any errors and refine your code using Copilot’s suggestions.

Step 5: Deployment (15 minutes)

1. Choose a Hosting Platform: Consider platforms like Vercel or Netlify (both free for basic usage).
2. Deploy Your App: Follow their guides to push your code and make your web app live.

What Could Go Wrong

• Code Errors: Sometimes, Copilot generates code that doesn’t work as intended. Always test and debug.
• Misunderstood Context: If you’re vague in your comments, Copilot might suggest irrelevant code. Be specific.

What’s Next?

Now that you have a basic web app up and running, consider adding features like authentication, a database, or even integrating third-party APIs. This is where you can further explore GitHub Copilot's capabilities to enhance your project.

Conclusion: Start Here

If you’re ready to build your first web app using GitHub Copilot, follow the steps outlined above. It’s an incredibly powerful tool that, when used correctly, can significantly speed up your development process. Start with a simple project, and before you know it, you’ll be shipping more features in less time.

What We Actually Use

We use GitHub Copilot along with VS Code, Vercel for deployment, and Postman for API testing. This stack has allowed us to build and iterate quickly without being bogged down by coding minutiae.