Without this patch debootstrap(8) is incapable of autodetecting the
architecture to install since the $(dpkg --print-architecture) prints
a musl-linux-${arch} which is not suitable for HOST_ARCH.

diff -upr debootstrap-1.0.126.orig/debootstrap debootstrap-1.0.126/debootstrap
--- debootstrap-1.0.126.orig/debootstrap	2021-11-08 15:41:32.000000000 +0100
+++ debootstrap-1.0.126/debootstrap	2022-01-29 15:26:42.023298234 +0100
@@ -535,7 +535,17 @@ fi
 
 ###########################################################################
 
-if in_path dpkg && \
+if [ -e /etc/apk/arch ]; then
+	read CARCH < /etc/apk/arch
+	case "$CARCH" in
+		x86)     HOST_ARCH=i386     ;;
+		x86_64)  HOST_ARCH=amd64    ;;
+		arm*)    HOST_ARCH=armhf    ;;
+		aarch64) HOST_ARCH=arm64    ;;
+		ppc64le) HOST_ARCH=ppc64el  ;;
+		*)       HOST_ARCH="$CARCH" ;;
+	esac
+elif in_path dpkg && \
      dpkg --print-architecture >/dev/null 2>&1; then
 	HOST_ARCH=$(/usr/bin/dpkg --print-architecture)
 elif in_path udpkg && \