Symlink data directory

Dockerfile

@@ -11,11 +11,12 @@ RUN \
     openjdk-8-jre-headless \
     software-properties-common
 
-# UniFi 4.8.18
 RUN curl -L -o unifi_sysvinit_all.deb http://www.ubnt.com/downloads/unifi/4.8.18/unifi_sysvinit_all.deb && \
   dpkg --install unifi_sysvinit_all.deb && \
   rm unifi_sysvinit_all.deb
 
+RUN ln -s /var/lib/unifi /usr/lib/unifi/data
+
 EXPOSE 8080 8081 8443 8843 8880
 
 VOLUME ["/var/lib/unifi"]