Install wkhtmltoimage
#!/usr/bin/env bash
set -eo pipefail
DEPS='openssl build-essential libssl-dev libxrender-dev git-core libx11-dev libxext-dev libfontconfig1-dev libfreetype6-dev fontconfig xfonts-75dpi libjpeg-turbo8'
echo $DEPS | xargs apt-get -y install
rm -f /tmp/wkhtmltox-0.12.1_linux-trusty-amd64.deb
wget http://download.gna.org/wkhtmltopdf/0.12/0.12.2.1/wkhtmltox-0.12.2.1_linux-trusty-amd64.deb -P /tmp
dpkg -i /tmp/wkhtmltox-0.12.2.1_linux-trusty-amd64.deb