Reading Secrets Straight From the Browser: The NEXT_PUBLIC_ Trap

📰 Medium · Programming

Learn how to avoid exposing secret API keys in your JavaScript bundle and why it matters for security

intermediate Published 18 Apr 2026
Action Steps
  1. Use environment variables to store sensitive data
  2. Configure your build process to exclude secrets from the client-side bundle
  3. Implement a secrets management system to securely store and retrieve API keys
  4. Test your application for potential security vulnerabilities
  5. Apply security best practices to protect sensitive data
Who Needs to Know This

Developers and security teams can benefit from understanding the risks of exposing API keys and how to mitigate them

Key Insight

💡 Exposing API keys in your JavaScript bundle can lead to security breaches, use environment variables and secrets management to protect them

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🚨 Don't expose your API keys in your JavaScript bundle! Use environment variables and secrets management to keep them safe 💻
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