bashbrew-arch  variants
amd64          alpine3.20,alpine3.21,bookworm,bookworm-slim,bullseye,bullseye-slim
arm32v6        alpine3.20,alpine3.21
arm32v7        alpine3.20,alpine3.21,bookworm,bookworm-slim,bullseye,bullseye-slim
arm64v8        alpine3.20,alpine3.21,bookworm,bookworm-slim,bullseye,bullseye-slim
i386           alpine3.20,alpine3.21
ppc64le        alpine3.20,alpine3.21,bookworm,bookworm-slim
s390x          alpine3.20,alpine3.21,bookworm,bookworm-slim