Clear cache strategy to delete generated files when settings changed etc.

[moltar]

When image style settings (imageStyles) are adjusted after an image was generated, the changes are not reflected and a rendered image is served.

Specifically, I changed from a macro to actions and changed the dimensions of the image.

Clearing the static/image-styles dir manually solves the problem of images being cached.

[Barry-Fisher]

Hi @moltar,

Thanks for your feedback. Yes, to clear the cache it's currently the case that you need to delete the generated images. This is (kind of) by design, although I did think it might be nice to have a flush images command that could be run. I got torn between a few ideas on the best way to implement this for a user experience point of view.

Do you have any particular thoughts or ideas you'd like to share on how you'd like to clear the cache? A command? An HTTP endpoint that clears the cache? Something else?

Thanks,

Barry

[moltar]

I think the image filename should contain the hash of the variables that went into creating it. So when these variables change, the hash changes and the images are automatically invalidated and created a-new.

[moltar]

Another option is to just use rimraf and clear the static/image-styles dir.