#docker - September 2018

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docker newb question... is there a way to see the prior digests of a given image/tag... centos:7 in particular is what i'm using

it's a good question. Off the top of my head, not sure how. I think when they push a release for centos:7 it clobers the tag so theres no prior history

you would need to find another service that keep track of images/layers

ok, thanks. was updating how we specify the image in our Dockerfiles to include the sha, now that dependabot supports that notation. was hoping to grab a prior sha to test immediately, but yeah, doesn't seem possible to lookup prior digests. guess i'll just have to wait until they publish a new image...

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