App templates
The app store: its templates, and creating apps from them.
Lists app templates
Lists the templates a project can create apps from, a page at a time, ordered by name.
Gets the app template catalog
The source, its revision, and the categories and tags the template list can be filtered by.
Gets an app template icon
Public: an `<img>` cannot send the Authorization header. Only icons the current index lists are served.
Gets an app template
Gets one app template: its description, versions, variants and parameters.
Lists the image tags a template version could use
Reads the registry on demand. The repository comes from the template, never from the request.
Creates an app from an app template
Provisions the app with the template's configuration and queues its first deployment.
Reports what creating an app from a template would run into
Renders the request and reports which of its apps would be given a directory that already holds data.
Gets the template an app was created from
404 for an app that was not created from a template.