Enable Authorization in Docker Swagger UI

[kr10n1]

So I've read everything I could find on configuring Docker image with Swagger UI but still failed to turn on OAuth2. Can anyone have a look at my extracted example project and tell me what I'm doing wrong ?
https://github.com/kr10n1/swaggerui/blob/master/swaggeriu/src/main/resources/Dockerfile