Phase 07: Backend Engineering with Node.js

This is a self-paced learning repository. Follow the modules in the recommended order, but study and practise according to your own schedule.

The completed project is available on main. The starter branch provides a clean beginning.

What you will build

Simulated Banking and Payments API

Recommended learning path

Module	Topic	Videos	Code reference
1	Node Runtime, HTTP and Fastify Lifecycle	Watch on YouTube	p07-module-01-node-runtime-http-and-fastify-lifecycle
2	REST Contracts, Validation and OpenAPI	Watch on YouTube	p07-module-02-rest-contracts-validation-and-openapi
3	Authentication, Authorisation and Abuse Boundaries	Watch on YouTube	p07-module-03-authentication-authorisation-and-abuse-boundaries
4	Ledger Invariants, Idempotency and Provider Events	Watch on YouTube	p07-module-04-ledger-invariants-idempotency-and-provider-events
5	Testing, Reliability, Observability and Release	Watch on YouTube	p07-module-05-testing-reliability-observability-and-release

Technology and engineering areas

• Node.js
• TypeScript
• Fastify
• OpenAPI
• Security

Repository structure

modules/       ordered learning resources and practical labs
project/       completed reference on main; clean beginning on starter
assessment/    project requirements, review questions and rubric
docs/          supporting curriculum and engineering references
resources/     reusable templates and reference material

Video lessons

Watch lessons, demonstrations, debugging sessions and project walkthroughs on the Oliseyenum channel:

▶ https://www.youtube.com/@oliseyenumomodi

As individual videos are published, their direct links can be added to VIDEOS.md.

How to use this repository

git clone https://github.com/oliseyenumomodi/phase-07-backend-engineering-nodejs.git
cd phase-07-backend-engineering-nodejs
git switch starter

Move through the modules in order. Use module tags to inspect each reference point:

git tag
git checkout p07-module-01-node-runtime-http-and-fastify-lifecycle
git switch main

Project review

After completing the modules:

1. build the project from the starter branch;
2. run the supplied checks;
3. compare your decisions with main;
4. review the assessment requirements;
5. explain the architecture, trade-offs and limitations.

Author

Oliseyenum Omodi
Software Engineer • Builder • Instructor
Oliseyenum Studio • Powered by Illumination Gate

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