My current Vagrantfile

Vagrantfile

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

Vagrant.configure("2") do |config|
  config.vm.box = "hellobits"
  config.vm.synced_folder ".", "/Projects", id: "vagrant-root"

  forward_port = ->(guest, host = guest) do
    config.vm.network :forwarded_port,
      guest: guest,
      host: host,
      auto_correct: true
  end

  forward_port[3000]      # rails
  forward_port[9292]      # rack
  forward_port[4567]      # sinatra
  forward_port[1080]      # mailcatcher
  forward_port[8888]      # jasmine
  forward_port[3306]      # mysql
  forward_port[1234]      # node
  forward_port[5432]      # postgresql
  forward_port[6379]      # redis
  forward_port[80, 8080]  # nginx/apache

  config.vm.provider :virtualbox do |vb|
    vb.customize ["modifyvm", :id, "--memory", "2048"]

    vb.customize [
      "setextradata", :id,
      "VBoxInternal2/SharedFoldersEnableSymlinksCreate/v-root", "1"
    ]

    vb.customize [
      "setextradata", :id,
      "VBoxInternal/Devices/ahci/0/LUN#[0]/Config/IgnoreFlush", "1"
    ]
  end

  config.vm.provider(:vmware_fusion) do |v|
    v.vmx["memsize"] = "2048"
    v.vmx["MemTrimRate"] = "0"
    v.vmx["sched.mem.pshare.enable"] = "FALSE"
  end
end