Containers from scratch: an into to containers without Docker

This is write up for talk I gave at CAT BarCamp, an awesome unconference at Portland State University. The talk started with the self-imposed challenge “give an intro to containers without Docker or rkt.”…

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Manipulating Signed Docker Images

Recently I looked at Docker Content Trust (DCT) more closely and was surprised to find out that I can manipulate signed images locally on disk! This is because the packed image is signed. After the image is pulled, it gets unpacked and there is no signat... (more…)

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