How to Use GitHub Copilot to Write Your First Application in 2026

If you're a solo founder or indie hacker looking to build your first application, you might feel overwhelmed by the coding part. The good news is that tools like GitHub Copilot can help you write code faster and with less friction. In fact, you can get a basic application up and running in just about two hours using Copilot—if you know how to leverage it effectively.

What You Need to Get Started

Before diving in, let’s outline what you’ll need:

• GitHub Copilot: An AI-powered coding assistant that suggests code as you type.
  • Pricing: $10/month or $100/year.
• GitHub Account: You’ll need this to store your code and collaborate.
• Code Editor: Visual Studio Code is a good choice, and it’s free.
• Basic Understanding of JavaScript: While Copilot can help, knowing the fundamentals will make your life easier.

Setting Up Your Environment

1. Install Visual Studio Code: Download and install it from the official site.
2. Install GitHub Copilot: Once you have VS Code, install the Copilot extension from the marketplace.
3. Sign in to GitHub: Link your GitHub account to the Copilot extension.

Writing Your First Application

Now that your environment is set up, let’s build a simple "To-Do List" application. This will give you a practical use case for Copilot while keeping things manageable.

Step 1: Create a New Project

1. Open VS Code.
2. Create a new folder for your project and open it in VS Code.
3. Create a new file called index.js.

Step 2: Initialize Your Application

In index.js, start by writing a comment to describe what you want to do. For example:

// Create a simple To-Do List application

As you type, Copilot will suggest code. Accept the suggestions that make sense.

Step 3: Build Core Features

Here’s a breakdown of features to implement:

1. Add a To-Do Item
2. Display To-Do Items
3. Delete a To-Do Item

For each feature, type a comment describing it, and let Copilot suggest the code. For example:

// Function to add a To-Do item

Expected Outputs

You should see Copilot generating functions for adding, displaying, and deleting items. You can test each function by calling them in your index.js file.

Troubleshooting Common Issues

• Copilot doesn’t suggest code: Make sure you’re typing clearly and providing enough context.
• Code doesn’t work as expected: This is where your basic JavaScript knowledge comes in handy. Debug the code by checking for syntax errors or logical errors.

What’s Next

Once you have your basic To-Do List application running, consider these next steps:

• Style Your Application: Use CSS to make it visually appealing.
• Add Persistence: Consider using local storage or a simple backend to save your tasks.
• Deploy Your Application: Use platforms like Netlify or Vercel to host your app online.

Conclusion

Using GitHub Copilot can significantly speed up your coding process, allowing you to focus more on building and less on syntax. In just about two hours, you can have a functioning application that you can continue to improve.

Start Here

If you’re new to coding, don’t hesitate to take the first step. Pick a small project, set up your environment, and let Copilot do the heavy lifting. You’ll be surprised at how much you can accomplish!