Rebase alpine image at edge tar file

images/alpine/Dockerfile

@@ -1,9 +1,11 @@
 FROM scratch
-# TODO: Base this on the alpine docker image, not the FC ext4 image
+# Bases on the alpine edge tar file
 ADD alpine.tar /
 # Add an SSH server and start it automatically
 RUN apk add \
         openssh \
+        openrc \
+        util-linux \
         udev \
         bash
 
@@ -16,3 +18,9 @@ RUN rc-update add sshd && \
 RUN echo "exit 0" > /etc/init.d/networking
 RUN echo "PermitTTY yes" >> /etc/ssh/sshd_config
 RUN rm /bin/sh && ln -s /bin/bash /bin/sh
+# set the default root password for agetty
+RUN echo root:root | chpasswd
+# configure agetty
+RUN ln -s /etc/init.d/agetty /etc/init.d/agetty.ttyS0
+RUN ln -s /etc/init.d/agetty.ttyS0 /etc/runlevels/default
+RUN ln -s /etc/init.d/agetty.ttyS0 /etc/runlevels/nonetwork

images/alpine/Makefile

@@ -4,13 +4,18 @@ DOCKER_USER?=weaveworks
 
 all: build
 
-alpine.ext4:
-	curl -sSL https://s3.amazonaws.com/spec.ccfc.min/img/hello/fsfiles/hello-rootfs.ext4 > alpine.ext4
+#alpine.ext4:
+#	curl -sSL https://s3.amazonaws.com/spec.ccfc.min/img/hello/fsfiles/hello-rootfs.ext4 > alpine.ext4
+
+#alpine.tar: alpine.ext4
+#	sudo mount -o loop $(shell pwd)/alpine.ext4 ${TEMP_DIR}
+#	cd ${TEMP_DIR} && sudo tar -cf $(shell pwd)/alpine.tar .
+#	sudo umount $(shell pwd)/alpine.ext4
+
+alpine.tar:
+	curl -sSL https://github.com/alpinelinux/docker-alpine/raw/edge/x86_64/alpine-minirootfs-20220328-x86_64.tar.gz > alpine.tar.gz
+	gzip -d alpine.tar.gz
 
-alpine.tar: alpine.ext4
-	sudo mount -o loop $(shell pwd)/alpine.ext4 ${TEMP_DIR}
-	cd ${TEMP_DIR} && sudo tar -cf $(shell pwd)/alpine.tar .
-	sudo umount $(shell pwd)/alpine.ext4
 #  alpine.tar
 build:
 	docker build -t ${DOCKER_USER}/ignite-alpine:${VERSION} .