Using version 5.24.2 of standalone Swagger UI: https://github.com/swagger-api/swagger-ui

Installed according to these [instructions](https://github.com/swagger-api/swagger-ui/blob/master/docs/usage/installation.md):

**Plain old HTML/CSS/JS (Standalone)**

The folder /dist includes all the HTML, CSS and JS files needed to run SwaggerUI on a static website or CMS, without requiring NPM.

1. Download the [latest release](https://github.com/swagger-api/swagger-ui/releases/latest).
2. Copy the contents of the /dist folder to your server.
3. Open swagger-initializer.js in your text editor and replace "https://petstore.swagger.io/v2/swagger.json" with the URL for your OpenAPI 3.0 spec.
4. Open index.html in your text editor and replace "Swagger UI" with the title of your API.