Environment Variable Hygiene

Best practices for managing environment variables across deployment platforms.

Triggers

Invoke when user mentions:

• "env var", "environment variable", "production deploy"
• "webhook secret", "API key", "token"
• "Invalid character in header", "ERR_INVALID_CHAR"
• "silent failure", "webhook not working"
• "Vercel", "Convex", "deployment", "secrets"

Core Principles

1. Trailing Whitespace Kills