diff --git a/Dockerfile b/Dockerfile
index 59c5898..9aa7cdf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,2 +1,8 @@
 FROM sutty/monit:latest
 MAINTAINER "f <f@sutty.nl>"
+
+RUN apk add --no-cache prometheus daemonize
+COPY ./prometheusd.sh /usr/local/bin/prometheusd
+
+EXPOSE 9090
+VOLUME /var/lib/prometheus
diff --git a/prometheusd.sh b/prometheusd.sh
new file mode 100755
index 0000000..c5ccb17
--- /dev/null
+++ b/prometheusd.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+pid=/tmp/prometheus.pid
+var=/var/lib/prometheus
+log=/dev/log
+
+chown prometheus:prometheus /var/lib/prometheus/data
+
+daemonize -p "${pid}" -l "${pid}" -u prometheus -c "${var}" -a -o "${log}" -e "${log}" \
+  /usr/bin/prometheus --config.file=/etc/prometheus/prometheus.yml --storage.tsdb.path="${var}/data"