`vagrant up`するだけでDockerの実験環境ができるVagrantfile

とりあえずDockerを試すためにはこれで良い。

注意

• forwarded_portは，動かしたいdocker imageに合わせて適切に設定しよう。
• docker-composeがv2.6.0固定になっているので，お好みで変更する。

Vagrantfile

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

Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/focal64"

  config.vm.network "forwarded_port", guest: 80, host: 8080
  config.vm.synced_folder "./data", "/vagrant_data"

  config.vm.provider "virtualbox" do |vb|
    vb.cpus = 4
    vb.memory = "8096"
  end

  config.vm.provision "shell", inline: <<-SHELL
    sudo apt update
    sudo apt install apt-transport-https ca-certificates curl software-properties-common
	curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
	sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu focal stable"
	sudo apt update
	apt-cache policy docker-ce
	sudo apt install -y docker-ce
	sudo curl -L https://github.com/docker/compose/releases/download/v2.6.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
	sudo chmod +x /usr/local/bin/docker-compose
  SHELL
end