Prepare image for deployment using Dokku

deploy.sh

#!/bin/sh
set -e
 
# Create image for deployment with Dokku
 
USERNAME=user # this is the user you will use to ssh into the server with
DOMAIN=example.com
 
echo 'Updating server...'
 
apt-get update # update files
apt-get install -y vim # install vim
 
echo 'Setting up users...'
 
adduser --disabled-password --gecos "" $USERNAME; # add $USERNAME user
echo "$USERNAME ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers; # make $USERNAME a sudoer
sed -i.bak 's/PermitRootLogin yes/PermitRootLogin no/' /etc/ssh/sshd_config # disallow root login
mkdir -p /home/$USERNAME/.ssh && cp /root/.ssh/authorized_keys /home/$USERNAME/.ssh && chown -R $USERNAME:$USERNAME /home/$USERNAME/.ssh # give ryan yummy ssh keys
 
echo 'Installing Dokku...'
 
wget -qO- https://raw.github.com/progrium/dokku/master/bootstrap.sh | bash # install dokku
 
echo 'Setting up Dokku...'
 
cat ~/.ssh/authorized_keys | sudo sshcommand acl-add dokku $USERNAME # Add dokku user for ssh
cd /root/dokku && make install # Make install again I guess
echo $DOMAIN > /home/dokku/VHOST # Set up virtual host
 
reload ssh # self explanatory