Hands-on Node.js tutorials for backend development, testing, security, containers, Linux, and Kubernetes.
Build a small Node.js 24 image with deterministic npm installation, a non-root runtime, signal-friendly startup, health endpoint, read-only filesystem compatibility, and targeted validation.
Run an application stack with Compose health checks, private service discovery, named persistence, runtime configuration, dependency readiness, and explicit backup and teardown procedures.
Deploy an immutable Node.js image with ConfigMap and Secret configuration, restricted security context, health probes, resource policy, rolling updates, a Service, and autoscaling prerequisites.
Create a reproducible npm project, define lifecycle scripts, load configuration with the built-in environment-file support, and distinguish runtime settings from secrets.
Understand Node.js module selection, convert require and module.exports to import and export, replace CommonJS globals, and test interoperability before migrating a production package.
Use asynchronous APIs without blocking the event loop, understand microtask and timer ordering, run independent work concurrently, and propagate failures with async/await.
Copy a large file with bounded memory by composing Node.js streams, resolve paths safely, handle backpressure automatically, and clean up partial output on failure.
Build a dependency-free JSON HTTP service with routing, body limits, correct status codes, health checks, request timeouts, and graceful shutdown.
Create a small Express 5 REST API with JSON parsing, resource routes, async handlers, HTTP semantics, and a centralized error response.
Structure an Express 5 service into routers and middleware, validate untrusted input, attach request IDs, and let rejected async handlers reach one consistent error boundary.
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