do-after-host-setup.sh

addUser() {
  echo "Adding user $1..."
  adduser $1
  gpasswd -a $1 sudo
}

enableSwap() {
  echo "Enabling Swap..."
  sudo fallocate -l 4G /swapfile
  sudo mkswap /swapfile
  sudo swapon /swapfile
  sudo echo "/swapfile   none    swap    sw    0   0" >> /etc/fstab
  sudo sysctl vm.swappiness=10
  sudo sysctl vm.vfs_cache_pressure=50
  sudo echo "vm.swappiness=10" >> /etc/sysctl.conf
  sudo echo "vm.vfs_cache_pressure=50" >> /etc/sysctl.conf
}

createApp() {
  dokku apps:create $2
}

username=""
appname=""

echo "Digital Ocean / Dokku Post Setup Script"
echo

while [[ -z "$username" ]]
do
  read -s -p "Enter new user name: " username
  echo
  if [[ $username = "" ]]; then
    echo "User name cannot be blank."
  fi
done

while [[ -z "$appname" ]]
do
  read -s -p "Enter new application name: " appname
  echo
  if [[ $appname = "" ]]; then
    echo "App name cannot be blank."
  fi
done


addUser $username

enableSwap

createApp $appname