little tweaks

Dockerfile

@@ -1,10 +1,12 @@
-FROM phusion/baseimage:0.9.17
+FROM phusion/baseimage:0.9.18
 
 VOLUME /var/mirror
 
 ADD ./sources.list /etc/apt/sources.list
 RUN echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d
-RUN apt-get update
+# phusion baseimage says i'm not supposed to do this
+# and i don't care:
+RUN apt-get update && apt-get upgrade -y
 RUN apt-get install -y run-one nginx make debmirror
 
 ADD ./mirror /opt/mirror

mirror.run

@@ -3,6 +3,11 @@
 # HOME isn't set up for some reason
 export HOME=/root
 
+# cleanup previous runs
+rm -rf /var/mirror/ubuntu/.temp
+
+while true ; do
     cd /opt/mirror && make
 
     sleep ${MIRROR_INTERVAL_SECONDS:-43200}
+done