diff --git a/Dockerfile b/Dockerfile
index aacff6e..d3b10e9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,9 @@
-FROM prosody:latest
+FROM prosody:0.11
+MAINTAINER Netz39 Administrators <admin@netz39.de>
 
-# TODO  All the other things …
+ENV DEBIAN_FRONTEND noninteractive
+RUN apt-get install -y --no-install-recommends --no-install-suggests \
+    mercurial
+
+WORKDIR /usr/local/lib
+RUN hg clone https://hg.prosody.im/prosody-modules/ prosody-modules