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Day 177: OpenAPI/Swagger Documentation — Deep Dive
Learn OpenAPI/Swagger Documentation through portfolio build session, guided resources, practical work and a portfolio-ready outcome.
Learning objectives
Understand the topic
Explain OpenAPI/Swagger Documentation clearly, connect it to the Node.js + APIs phase, and identify one limitation or risk.
Apply the skill
Use Postman and Helmet to produce a small, reviewable result that demonstrates the concept.
Study plan and official resources
Portfolio practice
Deploy an API to Render/Railway with health checks
Complete the work in a safe test environment, capture evidence, document decisions and record what you would improve in a second pass.