created script for port updates. need to dynamically get rpc username and password do some cron stuff. issue #1

Dockerfile

@@ -7,28 +7,36 @@ MAINTAINER Kristian Haugene
 
 VOLUME /data
 
+# Update package sources list
 RUN apt-get update
+
+# Add transmission ppa repository for latest releases
 RUN apt-get -y install software-properties-common
 RUN add-apt-repository ppa:transmissionbt/ppa
+
+# Update packages and install software
 RUN apt-get update
 RUN apt-get install -y transmission-cli
 RUN apt-get install -y transmission-common
 RUN apt-get install -y transmission-daemon
 RUN apt-get install -y supervisor
 RUN apt-get install -y openvpn
-RUN mkdir -p /var/log/supervisor
-
-# Not generally in use. But nice when starting up container interactively
+RUN apt-get install -y curl
 RUN apt-get install -y screen
 
+# Create directories
+RUN mkdir -p /var/log/supervisor
+
+# Add configuration and scripts
 ADD piaconfig/config.ovpn /etc/openvpn/config.ovpn
 ADD piaconfig/credentials.txt /etc/openvpn/credentials.txt
 ADD piaconfig/ca.crt /etc/openvpn/ca.crt
 ADD piaconfig/crl.pem /etc/openvpn/crl.pem
 ADD startOpenVPN.sh /etc/openvpn/start.sh
 ADD transmissionSettings.json /etc/transmission-daemon/settings.json
+ADD updateTransmissionPort.sh /etc/transmission-daemon/updatePort.sh
 ADD supervisord.conf /etc/supervisor/conf.d/supervisord.conf
 
+# Expose port and run supervisord
 EXPOSE 9091
-
 CMD ["/usr/bin/supervisord"]