We need to build Notary 0.7.0 with an older version of Go, and Alpine 3.12 has an old enough version. There *should* be a new release of Notary soon which will fix the incompatibility and allow us to go back to Alpine 3.15.
@@ -1,6 +1,6 @@
Maintainers: Justin Cormack (@justincormack)
GitRepo: https://github.com/docker/notary-official-images.git
-GitCommit: 297f548a568a8bcf8177c10e05165f11c9557dfc
+GitCommit: 16219dbe3c1433a6fc93e016cf421b230f681a2f
Architectures: amd64, arm32v6, arm64v8, i386, ppc64le, s390x
Tags: server-0.7.0, server
Tianon Gravi