add pptp-arm

pptp/arm/Dockerfile

@@ -0,0 +1,14 @@
+#
+# Dockerfile for pptp-arm
+#
+
+FROM easypi/alpine-arm:edge
+MAINTAINER EasyPi Software Foundation
+
+RUN apk add --no-cache \
+            --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing/ \
+            pptpclient
+
+COPY docker-entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]

pptp/arm/docker-compose.yml

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+pptp:
+  image: easypi/pptp-arm
+  environment:
+    - SERVER=192.168.31.222
+    - TUNNEL=vps
+    - USERNAME=username
+    - PASSWORD=password
+  net: host
+  privileged: yes
+  restart: unless-stopped

pptp/arm/docker-entrypoint.sh

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+#!/bin/sh
+
+cat > /etc/ppp/peers/${TUNNEL} <<_EOF_
+pty "pptp ${SERVER} --nolaunchpppd"
+name "${USERNAME}"
+password "${PASSWORD}"
+remotename PPTP
+require-mppe-128
+file /etc/ppp/options.pptp
+ipparam "${TUNNEL}"
+_EOF_
+
+cat > /etc/ppp/ip-up <<"_EOF_"
+#!/bin/sh
+ip route add 0.0.0.0/1 dev $1
+ip route add 128.0.0.0/1 dev $1
+_EOF_
+
+cat > /etc/ppp/ip-down <<"_EOF_"
+#!/bin/sh
+ip route del 0.0.0.0/1 dev $1
+ip route del 128.0.0.0/1 dev $1
+_EOF_
+
+exec pon ${TUNNEL} debug dump logfd 2 nodetach persist "$@"