Module 10: Node.js and Express

MODULE 10 · 3 LESSONS

Build a small production-aware HTTP service using current Node.js LTS and Express 5 conventions.

Project checkpoint: Implement the first CourseFlow REST service.

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Module 10 learning loopA four-step visual showing event loop, ES modules, process lifecycle, environment configuration.Module 10 learning loop1Event Loop2ES Modules3Process Lifecycle4EnvironmentConfiguration

Module 10 learning loop

  1. 1Event Loop
  2. 2ES Modules
  3. 3Process Lifecycle
  4. 4Environment Configuration
Module 10 learning loop: a practical sequence used in this lesson.

What this module changes in your work

  • Organize an ESM application and validate configuration before serving traffic.
  • Connect routes, validation, structured errors, logging and graceful shutdown.
  • Use event loop, ES modules, process lifecycle in one coherent implementation.
  • Complete this evidence-backed checkpoint: Implement the first CourseFlow REST service.

Lessons

PROJECT CHECKPOINT

Turn node.js and express into evidence

Implement the first CourseFlow REST service.

  • Write acceptance criteria for event loop before implementation.
  • Keep the change small enough that a reviewer can connect it to the intended behavior.
  • Use the most direct check available for ES modules and save the result.
  • Record one decision you would keep and one you would revisit after feedback.

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