init

.gitignore

@@ -0,0 +1 @@
+data

debian-live-builder/Dockerfile

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+FROM robinthoni/debian-multiarch:jessie
+
+MAINTAINER Robin Thoni <robin@rthoni.com>
+
+RUN mkdir -p /data/output
+
+RUN apt-get update &&\
+    apt-get install -y debootstrap squashfs-tools &&\
+    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+COPY ./run.sh /
+COPY ./run_chroot.sh /
+
+CMD ["/run.sh"]

debian-live-builder/run.sh

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+#! /usr/bin/env sh
+
+echo "Building ${DEB_CODENAME} ${DEB_ARCH}"
+
+cd /data/output &&
+
+debootstrap --arch="${DEB_ARCH}" --variant=minbase "${DEB_CODENAME}" ./chroot http://ftp.us.debian.org/debian/ &&
+cp /run_chroot.sh ./chroot &&
+chmod +x ./chroot/run_chroot.sh &&
+
+chroot ./chroot /run_chroot.sh &&
+
+rm -f filesystem.squashfs initrd.img vmlinuz &&
+mksquashfs ./chroot filesystem.squashfs -e boot &&
+cp ./chroot/boot/vmlinuz* vmlinuz &&
+cp ./chroot/boot/initrd* initrd.img

debian-live-builder/run_chroot.sh

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+#! /usr/bin/env sh
+
+echo "${DEB_HOSTNAME}" > /etc/hostname &&
+
+apt-get update && \
+apt-get install \
+    --no-install-recommends \
+    --yes \
+    --force-yes \
+    linux-image-amd64 \
+    live-boot \
+    systemd-sysv \
+    openssh-server &&
+
+sed -ie 's/#PermitRootLogin.*/PermitRootLogin yes/' /etc/ssh/sshd_config &&
+
+apt-get install \
+    --no-install-recommends \
+    --yes \
+    --force-yes \
+    ${DEB_APT_PACKAGES} &&
+
+echo "${DEB_PASSWD}\n${DEB_PASSWD}" | passwd

docker-compose.yml

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+version: '2'
+
+services:
+    debian-builder:
+        build: ./debian-live-builder
+        container_name: debian-live-builder
+        privileged: True
+        volumes:
+            - ./data/debian-live-builder/output:/data/output
+        env_file:
+            - env

env

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+DEB_ARCH=amd64
+DEB_CODENAME=stretch
+DEB_APT_PACKAGES=bash-completion vim xauth
+DEB_HOSTNAME=debian-live
+DEB_PASSWD=toor42