Usually by extracting the layers and looking through them. There's dive (https://github.com/wagoodman/dive) for making that easier.
I fail to see how that’s useful. Why would I care about the layers inside an image when I could just extract the entire filesystem inside. Even then it is not useful if we don’t have a culture of reproducible builds.
I fail to see how that’s useful. Why would I care about the layers inside an image when I could just extract the entire filesystem inside. Even then it is not useful if we don’t have a culture of reproducible builds.