syncthing

Dockerfile

@@ -1,2 +1,36 @@
-FROM sutty/monit:latest
+FROM sutty/daemonize:latest AS build
 MAINTAINER "f <f@sutty.nl>"
+
+ARG VERSION=1.2.2
+
+RUN wget https://github.com/syncthing/syncthing/releases/download/v${VERSION}/syncthing-linux-amd64-v${VERSION}.tar.gz
+RUN tar x -Of syncthing-linux-amd64-v${VERSION}.tar.gz syncthing-linux-amd64-v${VERSION}/syncthing \
+    > /usr/local/bin/syncthing
+RUN chmod +x /usr/local/bin/syncthing
+RUN strip --strip-all /usr/local/bin/syncthing
+
+COPY ./syncthing_stop.sh /usr/local/bin/syncthing_stop
+COPY ./syncthing_start.sh /usr/local/bin/syncthing_start
+RUN chmod 755 /usr/local/bin/syncthing_stop /usr/local/bin/syncthing_start
+
+RUN echo /home/builder/packages/home > /etc/apk/repositories
+RUN apk add --no-cache daemonize
+
+FROM sutty/monit:latest
+
+COPY --from=build /usr/local/bin/syncthing /usr/local/bin/syncthing
+COPY --from=build /usr/local/bin/syncthing_stop /usr/local/bin/syncthing_stop
+COPY --from=build /usr/local/bin/syncthing_start /usr/local/bin/syncthing_start
+COPY --from=build /usr/sbin/daemonize /usr/sbin/daemonize
+COPY ./monit.conf /etc/monit.d/syncthing.conf
+
+RUN addgroup -S syncthing
+RUN adduser -s /bin/sh -G syncthing -S -h /home/syncthing syncthing
+RUN monit -t
+
+RUN apk add --no-cache ca-certificates
+
+EXPOSE 22000
+EXPOSE 22000/udp
+
+VOLUME /home/syncthing

monit.conf

@@ -0,0 +1,3 @@
+check process syncthing with pidfile /tmp/syncthing.pid
+  start program = "/usr/local/bin/syncthing_start" as uid "syncthing"
+  stop program = "/usr/local/bin/syncthing_stop"

syncthing_start.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+daemonize -p /tmp/syncthing.pid -l /tmp/syncthing.pid \
+/usr/local/bin/syncthing -no-browser \
+                         -logfile="/home/syncthing/syncthing.log" \
+                         -gui-address="http://0.0.0.0:8443"

syncthing_stop.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+ps aux | grep syncthing | tr -s " " | cut -d " " -f 2 | xargs kill