CraftCMS server setup script with Digital Ocean / Laravel Forge

DOUbuntuCraftSetup.sh

#!/bin/bash
##############################################################
#                                                            #
#     Digital Ocean / Forge Recipe for CraftCMS websites     #
#                                                            #
#============================================================#
#                                                            #
#  Assumptions:                                              #
#                                                            #
#  - Ubuntu 16.04 Digital Ocean droplet, created by Forge    #
#  - You are running this recipe as root                     #
#                                                            #
#============================================================#
#                                                            #
#  References & Credits:                                     #
#                                                            #
#  Thanks to Andrew Welch & @nystudio107 folks. This recipe  #
#  rely heavily on their articles.                           #
#                                                            #
##############################################################

# Exit immediately if a simple command exits with a non-zero status (https://ss64.com/bash/set.html) 
set -e

perform_craftcms_server_setup() {

  # Check if the user is root
  user="$(id -un 2>/dev/null || true)"
  if [ "$user" != 'root' ]; then
    cat >&2 <<-'EOF'
    Error: this installer needs the ability to run commands as root.
    We are unable to find either "sudo" or "su" available to make this happen.
EOF
    exit 1
  fi

  # Fix MySql 5.7.5+ issue ( https://craftcms.stackexchange.com/questions/12084/getting-this-sql-error-group-by-incompatible-with-sql-mode-only-full-group-by/12106 )
  cat <<EOT >> /etc/mysql/my.cnf
  [mysqld]
  sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
EOT

  # Create a playground directory to be remove at the end
  mkdir ~/playground
  cd ~/playground

  # Install Digital Ocean Monitoring tools
  curl -sSL https://agent.digitalocean.com/install.sh | sh

  # Maker sure you have tools in place
  apt-get -y install autoconf automake libtool nasm make pkg-config git

  # Install jpegoptim & optipng ( https://nystudio107.com/blog/creating-optimized-images-in-craft-cms )
  apt-get -y install jpegoptim
  apt-get -y install optipng

  # Install the nginx partials from https://github.com/nystudio107/nginx-craft

  git clone https://github.com/nystudio107/nginx-craft.git nginx-craft

  cp -R nginx-craft/nginx-partials /etc/nginx

  # Clean up playground
  cd ~
  rm -rf ~/playground
}