Lab 4: Backend Architecture Patterns

Node.js & Express

ImportantLab Information

Assigned: Tuesday, February 10, 2026 Due: Tuesday, February 17, 2026 (before class) Points: 100

Overview

This lab covers backend architectural patterns including service layers, middleware, and API design.

Learning Objectives

By completing this lab, you will:

  1. Implement service layer patterns
  2. Design RESTful APIs
  3. Create middleware pipelines
  4. Handle errors consistently

Getting Started

Click the button below to accept the assignment and create your repository:

Accept Assignment on GitHub Classroom

Prerequisites

  • Completed Lab 3
  • Understanding of backend architecture patterns

Getting Help

  • Office Hours: Tuesday 9-11 AM, Pitt 2206
  • Piazza: Post questions with lab4 tag
  • TA Sessions: Check LMS for schedule