A quick gist for Vagrant with Amazon Linux 2 + PHP 7.4. Specifically for kickstart communicating with Google APIs using gRPC.

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

@script = <<SCRIPT

  # Install php and extensions
  # PHPと拡張をインストールする
  sudo amazon-linux-extras install php7.4
  sudo ln -s /usr/bin/php /usr/local/bin/php
  
  sudo sed -i 's/memory_limit\s*=.*/memory_limit=2G/g' /etc/php.ini
  sudo sed -i "s|;date.timezone =|date.timezone =Asia/Tokyo|" /etc/php.ini
  
  sudo yum -y install php-bcmath
  sudo yum -y install php-mbstring
  sudo yum -y install php-xml
  
  # Install composer
  # composerをインストールする
  curl -sS https://getcomposer.org/installer | php
  sudo mv composer.phar /usr/local/bin/composer
  
  # Install gRPC and protobuff
  # gRPCとprotobufをインストールする
  sudo yum -y install php-pear php-devel gcc-c++
  sudo pecl channel-update pecl.php.net
  sudo yum -y install zlib-devel

  # sudo pecl install grpc --> always install latest version
  sudo pecl install grpc-1.32.0
  sudo sed -i -e '$aextension=grpc.so' /etc/php.ini
  
  # sudo pecl install protobuf --> always install latest version
  sudo pecl install protobuf-3.13.0
  sudo sed -i -e '$aextension=protobuf.so' /etc/php.ini

  # Install Xdebug and update php.ini
  # XdebugをインストールしてPHPを更新する
  sudo pecl install xdebug
  sudo sed -i -e '$azend_extension=/usr/lib64/php/modules/xdebug.so' /etc/php.ini
  sudo sed -i -e '$axdebug.mode=debug' /etc/php.ini
  sudo sed -i -e '$axdebug.start_with_request=yes' /etc/php.ini
  sudo sed -i -e '$axdebug.discover_client_host=1' /etc/php.ini
  touch /home/vagrant/xdebug.log
  sudo sed -i -e '$axdebug.log=/home/vagrant/xdebug.log' /etc/php.ini
  sudo sed -i -e '$axdebug.client_port=9003' /etc/php.ini
  sudo sed -i -e '$axdebug.client_host=192.168.33.101' /etc/php.ini

  # Restart PHP
  # PHPをリスタートする
  sudo service php-fpm restart

SCRIPT

VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.box = "gbailey/amzn2"
  config.vm.box_version = "20201002.0.0"
  
  config.vm.network "forwarded_port", guest: 8443, host: 8449
  config.vm.network "forwarded_port", guest: 80, host: 8181
  config.vm.network "private_network", ip: "192.168.33.100"

  config.vm.provision 'shell', inline: @script
  
  config.vm.provider "virtualbox" do |vb|
    vb.customize ["modifyvm", :id, "--memory", "2048"]
    vb.customize ["modifyvm", :id, "--name", "amazonlinux2-php7.4"]
  end
end

Added section to install Xdebug (ver 3~)

thank you