Cloudfront not invalidating


25-Nov-2017 12:29

Then added a new CNAME called "static", which points to Cloud Front.This means that HTML is direct from S3, which then has all its CSS/JS/IMG references pointing to static.Firstly, the point of Cloudfront is to serve cached content - if you try to serve uncached content from Cloudfront it is slower than serving it directly from S3, in almost all cases (something like streaming content would be the exception).Cache-Control:no-cache, no-store, max-age=0, must-revalidate Date: Sat, GMT ETag:"a5890ace30a3e84d9118196c161aeec2" Expires: Fri, GMT Last-Modified: Sat, GMT Server: Amazon S3 X-Cache: Miss from cloudfront header is in there.The problem is, if I update this file and refresh I get the cached content (rather than the latest file), and I can see that Cloud Front is serving its cached version by looking at the response headers: With the above in mind, how can I achieve automatic retrieval of the latest HTML when using Cloud Front?As per its FAQ I should be able to do this with Cache-Control headers, but I can't seem to get this working.

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As soon as this is completed (preferably with a short DNS TTL) then the new Cloud Front distribution will be hit by clients and will be filled up with the new versions of the objects.After a while, you would then destroy and stop paying for the original Cloud Front distribution that is no longer being referenced or used.Simply replacing the Cloud Front distribution effectively “invalidates” all of the objects at once, with no charges for invalidation requests and very little effort.Cloudfront permissions we support: If you use Deploy Bot to deploy files to an S3 bucket, and you also use that bucket as an origin for your Cloud Front Distribution, you can use the Cloud Front Invalidation feature in Deploy Bot to automatically invalidate that distribution.

When setting up an Amazon S3 deployment in Deploy Bot, specify a valid Cloud Front distribution ID in the server settings: Deploy Bot will take care of the rest.Invalidating files ensures that your CDN always serves the latest versions of your files.



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