Securing Google Maps API Keys in Angular Apps on Heroku

Exposing your API keys in frontend applications can lead to unauthorized usage and unexpected cloud bills. This practical, text-based course teaches you how to lock down your credentials so they only work where they are supposed to. You will start by understanding the foundational mechanics of API key security, web requests, and how modern single-page applications interact with cloud services. Next, you will learn step-by-step how to restrict your key to specific domains and HTTP referrers, ensuring your Angular application remains fully functional while keeping malicious third parties out. What you will learn: Understand the core principles of API security and why frontend exposure requires strict access controls; Configure Google Maps API restrictions using HTTP referrers for specific application domains; Manage environment variables on Heroku to keep your configuration clean and maintainable; Set up Angular environment files to handle development and production settings securely; Test and verify that your restricted API keys reject unauthorized requests. This course starts with essential security concepts and guides you through the exact setup steps for both your cloud console and Heroku environment. It is designed for beginner web developers and cloud enthusiasts who want to secure their projects. No advanced security background is required. Start protecting your cloud resources today.