vagrant批量创建机器，多机器创建

Vagrant.configure("2") do |config|
  config.vm.provision "shell", inline: "echo Hello"

  config.vm.define "web" do |web|
    web.vm.box = "apache"
  end

  config.vm.define "db" do |db|
    db.vm.box = "mysql"
  end
end

配置文件vagrantfile增加如上代码即可，config.vm.define定义一个新的机器

参考https://developer.hashicorp.com/vagrant/docs/multi-machine