bashbrew-arch  variants
amd64          alpine3.15,alpine3.16,bullseye,bullseye-slim,buster,buster-slim
arm32v6        alpine3.15,alpine3.16
arm32v7        alpine3.15,alpine3.16,bullseye,bullseye-slim,buster,buster-slim
arm64v8        alpine3.15,alpine3.16,bullseye,bullseye-slim,buster,buster-slim
i386           alpine3.15,alpine3.16
ppc64le        alpine3.15,alpine3.16,bullseye,bullseye-slim,buster,buster-slim
s390x          alpine3.15,alpine3.16,bullseye,bullseye-slim,buster,buster-slim