diff --git a/docker/install-extras b/docker/install-extras
new file mode 100755
index 000000000..fc81638b5
--- /dev/null
+++ b/docker/install-extras
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+export DEBIAN_FRONTEND=noninteractive
+su - -c "apt-get update \
+	&& apt-get install -qy graphviz ghostscript apache2-utils \
+	&& apt-get clean \
+	&& rm -rf /var/lib/apt/lists/*"