diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index cd2571a..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,22 +0,0 @@
-FROM ubuntu:trusty
-ENV DEBIAN_FRONTEND noninteractive
-
-RUN apt-get update -q
-RUN apt-get install -qy texlive-full 
-RUN apt-get install -qy python-pygments 
-RUN apt-get install -qy gnuplot
-
-RUN apt-get install wget
-
-RUN mkdir -p /usr/share/fonts/truetype/FiraSans
-RUN mkdir -p /usr/share/fonts/opentype/FiraSans
-RUN wget "dev.carrois.com/wordpress/wp-content/uploads/downloads/fira_3_1/FiraMono3106.zip"
-RUN wget "dev.carrois.com/wordpress/wp-content/uploads/downloads/fira_3_1/FiraSans3106.zip"
-RUN unzip FiraSans3106.zip
-RUN unzip FiraMono3106.zip
-RUN sudo cp /Fira*/WEB/*.ttf /usr/share/fonts/truetype/FiraSans/
-RUN sudo cp /Fira*/OTF/Fira* /usr/share/fonts/opentype/FiraSans/
-RUN sudo fc-cache -f -v
-
-WORKDIR /data
-VOLUME ["/data"]
diff --git a/README.md b/README.md
index c0fc0b4..2a844c5 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,8 @@ and the section indicator are hardcoded into the theme. For the demo you need
 
 Depending on the Linux distribution, the packaged name of Fira Sans might be
 `Fira Sans OT` instead of `Fira Sans`. In that case, you may have to edit
-`beamerfontthememetropolis.sty`.
+`beamerfontthememetropolis.sty`. You may also need to install Fira Sans; see
+the `contrib/` directory for more
 
 
 ### Usage
diff --git a/contrib/Dockerfile b/contrib/Dockerfile
new file mode 100644
index 0000000..c20a947
--- /dev/null
+++ b/contrib/Dockerfile
@@ -0,0 +1,28 @@
+
+## Contributed by Walter Schulze (@awalterschulze)
+## Simpliefied by Dirk Eddelbuettel (@eddelbuettel)
+
+FROM ubuntu:trusty
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN apt-get update -q \
+	&& apt-get install -qy \
+                gnuplot \
+                python-pygments \
+        	texlive-full \
+                wget
+
+RUN cd /tmp \
+    	&& mkdir -p /usr/share/fonts/truetype/FiraSans \
+	&& mkdir -p /usr/share/fonts/opentype/FiraSans \
+        && wget "dev.carrois.com/wordpress/wp-content/uploads/downloads/fira_3_1/FiraMono3106.zip" \
+        && wget "dev.carrois.com/wordpress/wp-content/uploads/downloads/fira_3_1/FiraSans3106.zip" \
+        && unzip FiraSans3106.zip \
+        && unzip FiraMono3106.zip \
+        && cp Fira*/WEB/*.ttf /usr/share/fonts/truetype/FiraSans/ \
+        && cp Fira*/OTF/Fira* /usr/share/fonts/opentype/FiraSans/ \
+        && fc-cache -f -v \
+        && rm -rf Fira*
+
+WORKDIR /data
+VOLUME ["/data"]
diff --git a/contrib/getFiraFont.sh b/contrib/getFiraFont.sh
new file mode 100644
index 0000000..6f3ff5e
--- /dev/null
+++ b/contrib/getFiraFont.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+## cf from http://programster.blogspot.com/2014/05/ubuntu-14-desktop-install-fira-sans-and.html
+
+cd /tmp
+
+# install unzip just in case the user doesn't already have it.
+sudo apt-get install unzip -y
+wget "http://dev.carrois.com/wordpress/wp-content/uploads/downloads/fira_3_1/FiraSans3106.zip"
+wget "http://dev.carrois.com/wordpress/wp-content/uploads/downloads/fira_3_1/FiraMono3106.zip"
+
+unzip FiraMono3106.zip
+unzip FiraSans3106.zip
+
+sudo mkdir -p /usr/share/fonts/truetype/FiraSans
+sudo mkdir -p /usr/share/fonts/opentype/FiraSans
+sudo cp Fira*/WEB/*.ttf /usr/share/fonts/truetype/FiraSans/
+sudo cp Fira*/OTF/Fira* /usr/share/fonts/opentype/FiraSans/
+
+sudo fc-cache -fv