Deploying dehydrated for apache2 on Debian Jessie:
wget https://gist.githubusercontent.com/waja/8df78afb09691e4f383d818685f48885/raw/deploy_dehydrated.sh \
-O /tmp/deploy_dehydrated.sh && \
bash /tmp/deploy_dehydrated.sh <registration email>
Now you need to create /etc/dehydrated/domains.txt
like documented.