From ed4c002e7c4e2e3cb009feb79f521f873d04c9ed Mon Sep 17 00:00:00 2001
From: Carl Kittelberger <it@icedreammusic.eu>
Date: Wed, 23 Dec 2015 07:11:54 +0100
Subject: [PATCH] Initial commit.

---
 Dockerfile          | 22 ++++++++++++++++++++++
 dpmaster-wrapper.sh | 24 ++++++++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 Dockerfile
 create mode 100755 dpmaster-wrapper.sh

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..61f625f
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,22 @@
+FROM icedream/debian-armhf:stable
+
+ENV DPMASTER_VERSION "1c1bd46a78d41726f3c1d13cc27e41d2e7620e19"
+
+RUN	apt-get update &&\
+	DEBIAN_FRONTEND=noninteractive \
+		apt-get install --no-install-recommends -y wget ca-certificates tar make gcc libc6-dev libc6 &&\
+	apt-mark auto wget ca-certificates tar make gcc libc6-dev &&\
+	wget -O- https://github.com/kphillisjr/dpmaster/archive/${DPMASTER_VERSION}.tar.gz |\
+		tar xz -C /tmp &&\
+	cd /tmp/dpmaster-${DPMASTER_VERSION}/src &&\
+	make UNIX_EXE=/usr/local/bin/dpmaster release &&\
+	cd / &&\
+	adduser --system -u 999 --no-create-home dpmaster &&\
+	apt-get autoremove --purge -y &&\
+	apt-get clean &&\
+	rm -rf /var/tmp/* /tmp/* /var/lib/apt/lists/*
+
+EXPOSE 27950
+USER 999
+COPY dpmaster-wrapper.sh /usr/local/bin/dpmaster-wrapper
+CMD ["dpmaster-wrapper"]
diff --git a/dpmaster-wrapper.sh b/dpmaster-wrapper.sh
new file mode 100755
index 0000000..ce9e4d6
--- /dev/null
+++ b/dpmaster-wrapper.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# This script makes sure dpmaster exits quickly by reliably proxying
+# the SIGTERM coming from Docker on container shutdown.
+
+# trap the sigterm signal
+_term() {
+	# send termination request and wait for process to exit
+	kill "$child"
+	wait "$child"
+
+	# error code 143 means exit caused by bash's kill request
+	retval=$?
+	[ "$retval" -eq 143 ] && retval=0
+
+	# any other error code should be forwarded as is
+	exit $retval
+}
+trap _term SIGTERM
+
+# start dpmaster
+dpmaster &
+child=$!
+wait "$child"