📖 Step 6: Development#169 / 291
Environment Variable
Environment Variable
📖One-line summary
Sensitive config like API keys, managed in a .env file.
💡Easy explanation
A way to store secrets like API keys and passwords outside your code in a separate file (.env). Like a secret vault.
✨Example
Manage sensitive config via the .env file
# .env
DATABASE_URL=postgresql://db:****
API_KEY=sk-****
NODE_ENV=production
process.env.API_KEY → sk-****
⚡Vibe coding prompt examples
>_
Configure DB credentials, API keys, and the JWT secret in a .env file, and set up type-safe loading in TypeScript.
>_
Build a structure that separates env vars across development, staging, and production. Organize .env.local and .env.production files.
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