Add possibility to generate absolute url for ImageExtension

[Manours]

Is there a way to generate img tags with absolute urls, especially for emails ¿

[alexander-schranz]

Currently there is no way to configure absolute urls for the image extension, the extension are currently. As Emails are very special and do not support a lot of image features even not support picture tag, I currently recommend not using the get_image inside email templates and go there and use simple:

<img src="{{ absolute_url(image.thumbnails['200x200']) }}" alt="{{ image.title }} />

inside email templates.

There is a similar issue here: #18 to support asset configuration for images but that will control all get_image outputs to provide over a specific domain mostly subdomain. Today this is not longer recommended at why it was not implemented yet.