diff --git a/Dockerfile b/Dockerfile
index 982114b..6e6686c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,12 +2,19 @@ FROM tutum/apache-php
 
 ENV PIWIK_VERSION 2.12.1
 
+RUN apt-get update && \
+    apt-get install -y rsync && \
+    apt-get clean
 RUN rm -rf /app/*
 RUN curl -L -O http://builds.piwik.org/piwik-${PIWIK_VERSION}.tar.gz && \
     tar --strip 1 -xzf piwik-${PIWIK_VERSION}.tar.gz && \
     rm piwik-${PIWIK_VERSION}.tar.gz
+RUN chown -R www-data:www-data /app
 RUN chmod a+w /app/config
+RUN cp -r /app/config /app/config-orig
 
 EXPOSE 80
 VOLUME /app/config
+ADD run.sh /run.sh
+RUN chmod +x /run.sh
 CMD ["/run.sh"]
diff --git a/run.sh b/run.sh
new file mode 100644
index 0000000..8a3365d
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+set -x
+set -e
+[ -n "${CLEAN_CONFIG:-}" ] && rsync -a --delete /app/config-orig/ /app/config/
+[ -f "/app/config/global.php" ] || rsync -a --delete /app/config-orig/ /app/config/
+chown -R www-data:www-data /app/config
+/etc/init.d/apache2 start
+tail -F /var/log/apache2/*