Use separate container for the RSS plugin

plugins/rss/Dockerfile

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+FROM ubuntu:16.04
+MAINTAINER Kristian Haugene
+
+# Update packages and install software
+RUN apt-get update \
+    && apt-get -y upgrade \
+    && apt-get -y install curl gcc make ruby2.3-dev \
+    && gem install transmission-rss \
+    && curl -L https://github.com/jwilder/dockerize/releases/download/v0.5.0/dockerize-linux-amd64-v0.5.0.tar.gz | tar -C /usr/local/bin -xzv
+
+ADD . /etc/transmission-rss
+
+ENV TRANSMISSION_DOWNLOAD_DIR=/data/completed \
+    RSS_URL=**None**
+
+CMD ["/etc/transmission-rss/start.sh"]

plugins/rss/Dockerfile.armhf

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+FROM resin/rpi-raspbian:jessie
+MAINTAINER Kristian Haugene
+
+# Update packages and install software
+RUN apt-get update \
+    && apt-get -y upgrade \
+    && apt-get -y install curl gcc make ruby2.3-dev \
+    && gem install transmission-rss \
+    && curl -L https://github.com/jwilder/dockerize/releases/download/v0.2.0/dockerize-linux-armhf-v0.2.0.tar.gz | tar -C /usr/local/bin -xzv \
+
+ADD . /etc/transmission-rss
+
+ENV TRANSMISSION_DOWNLOAD_DIR=/data/completed \
+    RSS_URL=**None**
+
+CMD ["/etc/transmission-rss/start.sh"]

plugins/rss/environment-variables.tmpl

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+#! /bin/sh
+
+export TRANSMISSION_DOWNLOAD_DIR={{ .Env.TRANSMISSION_DOWNLOAD_DIR }}
+export RSS_URL="{{ .Env.RSS_URL }}"

plugins/rss/start.sh

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+#!/bin/sh
+
+# Source our persisted env variables from container startup
+dockerize -template /etc/transmission-rss/environment-variables.tmpl:/etc/transmission-rss/environment-variables.sh
+. /etc/transmission-rss/environment-variables.sh
+
+if [ -z "${RSS_URL}" ] || [ "${RSS_URL}" = "**None**" ] ; then
+ echo "NO RSS URL CONFIGURED, IGNORING"
+else
+  dockerize -template /etc/transmission-rss/transmission-rss.tmpl:/etc/transmission-rss.conf
+  echo "STARTING RSS PLUGIN"
+  transmission-rss
+fi

plugins/rss/transmission-rss.tmpl

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+feeds:
+  - url: {{ .Env.RSS_URL }}
+    download_path: {{ .Env.TRANSMISSION_DOWNLOAD_DIR }}
+server:
+  host: transmission
+  port: 9091
+  rpc_path: /transmission/rpc