Improve docker experience on a macbook

.gitignore

/.vagrant/

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :
Vagrant.configure("2") do |config|
  ssh_pub_key = File.readlines("#{Dir.home}/.ssh/id_ed25519.pub").first.strip

  config.vm.box = "debian/testing64"
  config.vm.provider "virtualbox" do |vb|
    vb.memory = 4*1024
    vb.cpus = 4
  end

  config.vm.provision "shell", inline: <<-SHELL
    apt-get update
    apt-get install -y htop git docker.io docker-compose

    grep '#{ssh_pub_key}' .ssh/authorized_keys > /dev/null && true || echo '#{ssh_pub_key}' >> .ssh/authorized_keys
  SHELL
end