diff --git a/Dockerfile b/Dockerfile
index 8a7cbf6..019bf69 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,27 @@
-From ubuntu:14.04
-MAINTAINER Knut Ahlers <knut@ahlers.me>
+FROM alpine:3.8
 
-RUN apt-get update \
- && DEBCONF_FRONTEND=noninteractive apt-get install -y icecast2
+LABEL maintainer Knut Ahlers <knut@ahlers.me>
+
+ENV DUMB_INIT_VERSION=1.2.2 \
+    GOSU_VERSION=1.11
+
+RUN set -ex \
+ && apk --no-cache add \
+      bash \
+      curl \
+      icecast \
+      mailcap \
+ && curl -sSfLo /usr/bin/dumb-init "https://github.com/Yelp/dumb-init/releases/download/v${DUMB_INIT_VERSION}/dumb-init_${DUMB_INIT_VERSION}_amd64" \
+ && curl -sSfLo /usr/bin/gosu "https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-amd64" \
+ && chmod 0755 \
+      /usr/bin/dumb-init \
+      /usr/bin/gosu \
+ && apk --no-cache del \
+      curl
 
 VOLUME /config
 EXPOSE 8000 8001
 
 ADD startup.sh /usr/bin/startup.sh
 
-ENTRYPOINT ["/bin/bash", "/usr/bin/startup.sh"]
+ENTRYPOINT ["/usr/bin/startup.sh"]
diff --git a/startup.sh b/startup.sh
old mode 100644
new mode 100755
index 3e493e6..6db10ca
--- a/startup.sh
+++ b/startup.sh
@@ -1,10 +1,11 @@
-#!/bin/bash
+#!/usr/bin/dumb-init /bin/bash
+set -euxo pipefail
 
 # 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
+	cp /etc/icecast.xml /config/icecast.xml
+	chown icecast /config/icecast.xml
 fi
 
 # Hand over to icecast
-sudo -u icecast2 /usr/bin/icecast2 -c /config/icecast.xml
+exec gosu icecast /usr/bin/icecast -c /config/icecast.xml