Jack Britchford
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Jack Britchford
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Jack Britchford
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I haven't used Go extensively, but I've integrated S3 presigned URL's and using crypto to generate the presigned URL's locally on the server with set expiries and the signature used by AWS to validate that the expiry/request data/etc is all valid. I'm sure most AWS SDK's will have a function for generating presigned URL's but the difficulty may be in integrating it with rendering the images (using the AWS s3 endpoints on the outputted page as apposed to the /api/ ones. I also noticed there's thumbnails and different scaled images, so there could also be an option "store thumbnails" to also process thumbnails locally and put them on the file store in S3. If I'm not mistaken, currently it requests all the images from S3 (on the host machine, host machine being the box/boxes running Mattermost) and they serve them back. Bandwidth from AWS EC2 to S3 is nothing but- when you're then serving that back from multiple EC2 instances behind a load balancer, that is quite wasteful when S3 can handle all of them. I'm also not sure if any headers are being sent correctly with the images to ensure they're cached correctly (it would also be nice, if there aren't any currently) to control the cache of users images (I imagine the static images are cached indefinitely but, would be nice to be able to set content max-age on the images/thumbnails that are in chat (if that isn't already possible)