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Frameworks & web · #express
Learn the minimal Express 4.x configuration needed to trust a terminating reverse proxy, set Secure cookies, and log the real client IP while avoiding common misconfigurations.
Stop cluttering your Express routes with repetitive try-catch blocks. Learn how to implement a centralized error-handling pipeline to ensure consistent API responses.
Learn how to set up Passport‑JWT in Express for stateless authentication. The guide covers strategy configuration, token extraction, expiration handling, common pitfalls, and a practical checklist to ensure a secure, scalable API.
Learn how Pug’s extends and block keywords let you define a reusable layout and inject page‑specific content, reducing duplication in Node.js/Express apps.
Kraken.js moved Express middleware order into JSON config via the meddleware module. Here's how priority-based pipelines work, how to verify them, and when the indirection isn't worth it.
Deciding between global app.use() middleware and route-specific middleware in Express comes down to scope, cost, and failure modes. This guide compares both and shows a validated implementation.
Avoid CSP syntax errors and silent failures in Express. Learn how KrakenJS uses declarative policy objects to automate header generation, manage nonces, and implement violation reporting.
Passport.js leaves the key architectural choice to you: server-side sessions with passport-local, or stateless tokens with passport-jwt. Compare the real trade-offs — revocation, scaling, CSRF, XSS — then implement and validate session auth concretely.
When building an Express API, I need to ensure that clients can detect when a cached representation has become stale and trigger revalidation without downloading the full payload. The goal is to configure responses with appropriate Cache-Control directives so that shared caches mark entries as stale after a defined period, yet still allow the client to send
nodejs
krakenjs