Vagrantfile for https://github.com/YungSang/boot2docker-vagrant-box

install.md

Docker Mac binary:

curl -L -o docker https://get.docker.io/builds/Darwin/x86_64/docker-latest
chmod +x docker
sudo mv docker /usr/local/bin/docker

ns-enter.md

Install nsenter in the box:

docker run --rm -v /var/lib/boot2docker/:/target jpetazzo/nsenter

Put this next to your Vagrantfile:

#!/bin/sh

vagrant ssh -c "sudo /var/lib/boot2docker/docker-enter $1"

Use it: ./docker-enter container_name

Vagrantfile

VAGRANTFILE_API_VERSION = "2"

Vagrant.require_version ">= 1.6.3"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.define "boot2docker"

  config.vm.box = "yungsang/boot2docker"
  config.vm.box_check_update = false

  config.vm.network "private_network", ip: "192.168.33.10"

  # Mount current dir under same path in VM
  config.vm.synced_folder ".", Dir.pwd, type: "nfs", mount_options: ["nolock", "vers=3", "udp"]
  
  config.vm.provider :virtualbox do |vb, override|
    vb.customize ["modifyvm", :id, "--memory", "2048"]
  end

  # Fix busybox/udhcpc issue
  config.vm.provision :shell do |s|
    s.inline = <<-EOT
      if ! grep -qs ^nameserver /etc/resolv.conf; then
        sudo /sbin/udhcpc
      fi
      cat /etc/resolv.conf
    EOT
  end

  # Adjust datetime after suspend and resume
  config.vm.provision :shell do |s|
    s.inline = <<-EOT
      sudo /usr/local/bin/ntpclient -s -h pool.ntp.org
      date
    EOT
  end

end

I figured it out. Boot2docker by default shares /Users on mac, thus you're able to use the absolute path ... however when using vagrant it all depends on how you share initially ... Following post helped me understanding this http://felipejfc.com/2014/08/29/vagrant_docker_sync_folder/.