serverあれこれ: VagrantでProcessWireとMySQLがインストールされた仮想マシン(Ubuntu16.04)を構築する

ProcessWireはPHP製のCMSです。
以下のVagrantfileを使用して、ProcessWireとMySQLをインストールした仮想マシン(Ubuntu16.04)を構築出来ます。
仮想マシン構築後、ブラウザからhttp://192.168.55.106/processwire/にアクセスして初期設定を行います。

Vagrantfile

VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.box = "bento/ubuntu-16.04"
  config.vm.hostname = "ub1604processwiremysql"
  config.vm.provider :virtualbox do |vbox|
     vbox.name = "ub1604processwiremysql"
     vbox.cpus = 2
     vbox.memory = 2048
     vbox.customize ["modifyvm", :id, "--nicpromisc2","allow-all"]
  end
config.vm.network "private_network", ip: "192.168.55.106", :netmask => "255.255.255.0"
config.vm.network "public_network", ip:"192.168.1.106", :netmask => "255.255.255.0"
  config.vm.provision "shell", inline: <<-SHELL
localectl set-locale LANG=en_US.UTF-8
update-locale LC_ALL=en_US.UTF-8
localectl set-keymap jp106
# update packages
apt-get update
#DEBIAN_FRONTEND=noninteractive apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" upgrade
echo "mysql-server-5.7 mysql-server/root_password password root" | sudo debconf-set-selections
echo "mysql-server-5.7 mysql-server/root_password_again password root" | sudo debconf-set-selections
apt-get -y install mysql-server-5.7
mysql -uroot -proot -e "CREATE DATABASE processwire DEFAULT CHARACTER SET utf8;"
mysql -uroot -proot -e "CREATE USER processwire@localhost IDENTIFIED BY 'processwire';"
mysql -uroot -proot -e "GRANT ALL PRIVILEGES ON processwire.* TO 'processwire'@'localhost';"
mysql -uroot -proot -e "FLUSH PRIVILEGES;"

# install apache and php
apt-get -y install software-properties-common
add-apt-repository ppa:ondrej/php
apt-get update
apt-get -y install apache2 libapache2-mod-php7.1
apt-get -y install php7.1-mysql php7.1-gd php7.1-mbstring php7.1-xml php7.1-zip

# install ProcessWire
apt-get -y install unzip
wget https://github.com/processwire/processwire/archive/master.zip
unzip master.zip
mv processwire-master /opt/processwire
chown -R www-data:www-data /opt/processwire
ln -s  /opt/processwire /var/www/html

cat << EOF >> /etc/apache2/apache2.conf
<Directory /var/www/html/processwire>
    AllowOverride All
    Options All
    Require all granted
</Directory>
EOF


a2enmod rewrite
service apache2 restart

echo 'access to http://192.168.55.106/processwire/'
SHELL
end

〇ProcessWireの初期設定画面1