Vagrantfile template for a higher performant VM

Vagrantfile

Vagrant.configure('2') do |config|
  config.ssh.forward_agent = true

  config.vm.provider 'virtualbox' do |vb|
    vb.customize ['modifyvm', :id, '--memory', '2048']
    vb.customize ['modifyvm', :id, '--cpus', 4]
    vb.customize ['modifyvm', :id, '--ioapic', 'on']
    vb.customize ['modifyvm', :id, '--natdnsproxy1', 'off']
    vb.customize ['modifyvm', :id, '--natdnshostresolver1', 'off']
  end

  config.vm.network :private_network, type: :dhcp
  config.vm.synced_folder '.', '/home/vagrant/app', type: 'nfs'
end

# Useful resources:
# - https://stefanwrobel.com/how-to-make-vagrant-performance-not-suck
# - https://github.com/rubygems/rubygems/issues/513#issuecomment-14964071