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Backend & APIs
Short answers about Backend & APIs. One topic, one working example, no fluff.
- Backend & APIsHow to build your first REST API with FastifyBuild a GET /products route in Fastify that returns JSON, then run it with an npm script and test it with curl. Beginner friendly.November 2, 2026 · 2 min read
- Backend & APIsNode.js environment variables and .env filesRead process.env with defaults, convert strings to numbers and booleans, and load a .env file with node --env-file without committing secrets.October 28, 2026 · 1 min read