Initial commit

Dockerfile

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+FROM alpine:edge
+
+MAINTAINER	Jan Christian Grünhage <me@jcg.re>
+
+ENV UID 192 
+ENV GID 192
+ENV GOPATH /tmp/gopath
+
+RUN	apk add --update \
+		borgbackup \
+		su-exec \
+		go \
+		ca-certificates \
+		build-base \
+		git \
+		openssh \
+		bash \
+		nano \
+		shadow \
+		s6 \
+	&& mkdir /tmp/gopath \
+	&& mkdir -p /backup/config \
+	&& mkdir -p /backup/storage \
+	&& mkdir -p /home/borg \
+	&& go get git.jcg.re/jcgruenhage/borg-gen-auth-keys.git \
+	&& apk del --purge \
+		go \
+		build-base \
+		git \
+	&& mv $GOPATH/bin/borg-gen-auth-keys.git /usr/local/bin/borg-gen-auth-keys \
+	&& rm -rf \
+		/tmp \
+		/var/cache/apk/* \
+		/usr/lib/python3.6/__pycache__ \
+	&& addgroup -g $GID -S borg \
+	&& adduser -S -u $UID -g $GID -h /home/borg borg \
+	&& usermod -p "*" borg \
+	&& usermod -s /bin/bash borg \
+	&& passwd -u borg
+
+ADD	root /
+VOLUME	/backup/storage
+VOLUME	/backup/config
+EXPOSE	22
+
+CMD	["/usr/local/bin/run.sh"]

root/etc/s6.d/sshd/run

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+#!/bin/bash
+/usr/sbin/sshd -D -d

root/usr/local/bin/run.sh

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+#!/bin/bash
+function updateIDs {
+	usermod -u $UID borg
+	groupmod -g $GID borg
+	usermod -g $GID borg 
+	chown -R borg:borg /backup
+}
+
+function writeAuthKeys {
+	mkdir -p /home/borg/.ssh/
+	cd /home/borg/.ssh/
+	borg-gen-auth-keys /backup/config/hosts.json > authorized_keys
+	chown -R borg:borg .
+	chmod 700 .
+	chmod 700 ..
+	chmod 600 authorized_keys
+}
+
+updateIDs
+writeAuthKeys
+ssh-keygen -A
+exec /bin/s6-svscan /etc/s6.d