diff --git a/Dockerfile b/Dockerfile
index 40ad510..8a7cbf6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,12 @@
 From ubuntu:14.04
 MAINTAINER Knut Ahlers <knut@ahlers.me>
 
-RUN apt-get update && \
-    apt-get install -y icecast2
+RUN apt-get update \
+ && DEBCONF_FRONTEND=noninteractive apt-get install -y icecast2
 
-VOLUME /etc/icecast2/icecast.xml
+VOLUME /config
 EXPOSE 8000 8001
 
-USER icecast2
+ADD startup.sh /usr/bin/startup.sh
 
-ENTRYPOINT ["/usr/bin/icecast2", "-c", "/etc/icecast2/icecast.xml"]
+ENTRYPOINT ["/bin/bash", "/usr/bin/startup.sh"]
diff --git a/startup.sh b/startup.sh
new file mode 100644
index 0000000..3e493e6
--- /dev/null
+++ b/startup.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Copy default config to /config if not existent
+if ! [ -e /config/icecast.xml ]; then
+  cp /etc/icecast2/icecast.xml /config/icecast.xml
+  chown icecast2 /config/icecast.xml
+fi
+
+# Hand over to icecast
+sudo -u icecast2 /usr/bin/icecast2 -c /config/icecast.xml