One Spec to Rule them all - OpenAPI in Action
summary
OpenAPI specs become the source of truth: machine-readable YAML/JSON that can validate incoming requests at runtime, generate clients for multiple languages and produce interactive docs. The demo wires an OpenAPI document into Express middleware and the OpenAPI Generator to create client libraries, produced examples and automated tests that catch type and schema mismatches between request and response. The workflow replaces ad hoc docs, runs against CI, and shows generated code actually calling and asserting API behavior.
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chapters (9)
- 0:00Introduction
- 2:11What is OpenAPI
- 4:29OpenAPI basics
- 8:51OpenAPI in practice
- 12:58OpenAPI for docs
- 16:24Building specs with tools
- 20:01Testing APIs with OpenAPI
- 24:34Code generation from OpenAPI
- 26:58Summary
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