Environment Variables: A Guide to Configuration Management
What Are Environment Variables? Environment variables are key-value pairs injected at runtime to configure how applications behave without altering source code. They empower configuration flexibility across local development, CI/CD pipelines, containers, and cloud deployments. Why Environment Variables? Purpose Description 🔐 Security Secrets (e.g. API keys, DB creds) stay out of source code. 🧱 Separation of…