Added the rsync-server

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        repository: [sshd, webhook, docker2mqtt, gandi, http-tunnel, mopidy, piwigo-souvenirs, restic-auto, restic-rest, shairport-sync, slack-eraser, snapserver, telegraf]
+        repository: [rsync-server, sshd, webhook, docker2mqtt, gandi, http-tunnel, mopidy, piwigo-souvenirs, restic-auto, restic-rest, shairport-sync, snapserver, telegraf]
 
     steps:
       - name: Checkout

rsync-server/Dockerfile

@@ -0,0 +1,8 @@
+FROM alpine:latest
+
+ADD rsync-server.sh /usr/bin/rsync-server.sh
+
+RUN apk add --no-cache bash rsync \
+	&& chmod +x /usr/bin/rsync-server.sh
+
+CMD /usr/bin/rsync-server.sh

rsync-server/rsync-server.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+set -e
+
+USERNAME=${USERNAME:-user}
+PASSWORD=${PASSWORD:-pass}
+ALLOW=${ALLOW:-10.0.0.0/8 192.168.0.0/16 172.16.0.0/12 127.0.0.1/32}
+VOLUME=${VOLUME:-/data}
+
+echo "$USERNAME:$PASSWORD" > /etc/rsyncd.secrets
+chmod 0400 /etc/rsyncd.secrets
+cat > /etc/rsyncd.conf <<EOF
+log file = /dev/stdout
+timeout = 300
+max connections = 10
+port = 873
+[volume]
+	uid = root
+	gid = root
+	hosts deny = *
+	hosts allow = ${ALLOW}
+	read only = false
+	path = ${VOLUME}
+	comment = ${VOLUME} directory
+	auth users = ${USERNAME}
+	secrets file = /etc/rsyncd.secrets
+EOF
+
+mkdir -p $VOLUME
+exec /usr/bin/rsync --no-detach --daemon --config /etc/rsyncd.conf