Basic alpine chroot

docker/alpine.Dockerfile

@@ -0,0 +1,22 @@
+ARG TAG=dev
+ARG DOCKER_IMAGE_ROOT=monok8s
+FROM --platform=linux/amd64 ${DOCKER_IMAGE_ROOT}/build-base:${TAG} AS build-base
+
+ARG ALPINE_ARCH
+ARG ALPINE_VER
+
+RUN apt-get update && apt-get install -y qemu-user-static --no-install-recommends
+
+RUN mkdir -p "/out/rootfs"
+
+# RUN curl -L \
+#   "https://dl-cdn.alpinelinux.org/alpine/v3.21/releases/${ALPINE_ARCH}/alpine-minirootfs-${ALPINE_VER}-${ALPINE_ARCH}.tar.gz" \
+#   -o alpine-minirootfs.tar.gz
+# RUN tar -xzf alpine-minirootfs.tar.gz -C "/out/rootfs"
+
+# Dev-only shortcut
+COPY dev/alpine.tar.gz ./
+
+RUN tar -xf alpine.tar.gz -C "/out/rootfs"
+
+COPY alpine/*.sh /