#Configuration

A deep dive into why environment variables return undefined in Vite and how to fix it. Covering bundler mechanics, security models, dynamic injection in Docker/CI, and Monorepo setups.

Hardcoding secrets is a recipe for disaster. We explore the 12-Factor App methodology's take on configuration. From .env files in local dev to AWS Secrets Manager in production, learn how to manage environment variables securely across CI/CD pipelines and containerized orchestration systems.

My images were fine until I used Next.js's `<Image>` component, which immediately threw errors. I realized this wasn't just a config issue, but a security measure to protect server resources. I explain how to configure `remotePatterns` and dive deep into how Next.js Image Optimization works under the hood.