From 7cc7dbd9271289ceeeabd72234b2eb6341b5592a Mon Sep 17 00:00:00 2001
From: nold <nold@gnu.one>
Date: Fri, 27 Oct 2017 11:29:02 +0200
Subject: [PATCH] Small Dockerfile improvements

---
 Dockerfile | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index df6546c..96b6ab9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,11 +10,14 @@ VOLUME /sshkeys
 # Volume for borg repositories
 VOLUME /backup
 
-RUN apt-get update && apt-get -y install borgbackup openssh-server
-RUN useradd -s /bin/bash -m borg
-RUN mkdir /home/borg/.ssh && chmod 700 /home/borg/.ssh && chown borg: /home/borg/.ssh
-RUN mkdir /run/sshd
-RUN rm -f /etc/ssh/ssh_host*key*
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN apt-get update && apt-get -y --no-install-recommends install borgbackup openssh-server && apt-get clean
+RUN useradd -s /bin/bash -m borg ; \
+	mkdir /home/borg/.ssh && chmod 700 /home/borg/.ssh && chown borg: /home/borg/.ssh ; \
+	mkdir /run/sshd
+RUN rm -f /etc/ssh/ssh_host*key* ; \
+	rm -rf /var/lib/apt/lists/* /var/tmp/* /tmp/*
 
 COPY ./data/run.sh /run.sh
 COPY ./data/sshd_config /etc/ssh/sshd_config