No backend.imageid defined within the index.json file. Please refer to the documentation to find how to create index.json.

Scenario with Terminal iFrame UI

The Katacoda iframe UI Layout provides a full webpage experience.

Index.json

Example:

"environment": {
    "uilayout": "iframe"
},
"backend": {
    "url": "https://httpbin.org"
}

Important

The URL must be HTTPS and not block being embedded via an iframe.

Dashboard