Forgot to enable mod_rewrite.

setup.sh

@@ -7,6 +7,7 @@ apt-get install -y wget git xz-utils apache2
 echo "deb http://download.opensuse.org/repositories/home:/VIFIBnexedi/Debian_8.0/ ./" | tee /etc/apt/sources.list.d/slapos.list
 wget -O- "http://download.opensuse.org/repositories/home:/VIFIBnexedi/Debian_8.0/Release.key" | apt-key add -
 apt-get update
+ln -s /etc/apache2/mods-available/rewrite.load /etc/apache2/mods-enabled/
 ln -s /etc/apache2/mods-available/proxy.conf /etc/apache2/mods-enabled/
 ln -s /etc/apache2/mods-available/proxy.load /etc/apache2/mods-enabled/
 ln -s /etc/apache2/mods-available/proxy_http.load /etc/apache2/mods-enabled/