AFAIK, you would only need to invalidate the config.json file for new uploads as the engine/editor build uses a filehash param for asset requests so that it cache busts for new uploads. There shouldn’t be a need to not allow caching for every file
Great thanks for the input! Here is the headers on my build. I will update you if it doesn’t work but it seems to be so far. Side note the “Date” and “Expires” response headers reflect the exact time of page load