Can't create new vagrant box from existing created one -

i have problem while creating new vagrant box existing created one. means trying create new box base box hashicorp/precise64 , created e.g. name : first_box.box. but, while trying create anothe new box using first_box.box base box, it's not created, looks created hashicorp/precise64 not first_box.box, details please see commands below:

first step, vagrantfile this:

vagrant.configure("2") |config|    config.vm.define "first" |first|     first.vm.box = "hashicorp/precise64"     first.vm.network "private_network", ip: "192.168.31.10"     first.vm.hostname = "firstserver"     first.vm.synced_folder "/home/eman/dev", "/home/vagrant/dev"   end  end 

and run commands:

vagrant box add hashicorp/precise64

vagrant up

vagrant ssh

sudo apt-get update

sudo apt-get install bla-bla-bla

exit

vagrant package --output first_box.box 

now have first_box.box inside vagrant directory.

and continue second step, creating new vm using first_box.box base box, can see vagrantfile first:

vagrant.configure("2") |config|    config.vm.define "second" |second|     second.vm.box = "first_box"     second.vm.network "private_network", ip: "192.168.33.10"     second.vm.hostname = "secondserver"     second.vm.synced_folder "/home/eman/dev", "/home/vagrant/dev"   end  end 

and run commands again:

vagrant box add first_box first_box.box

vagrant up

vagrant ssh

sudo apt-get update

sudo apt-get install another-bla-bla-bla

exit

vagrant package --output second_box.box

the problem is, second_box.box become more little first_box.box. first_box.box (650mb), second_box.box (647mb). supposedly has bigger 650mb because install application in first , second step.

this vagrantfile in third step:

vagrant.configure("2") |config|    config.vm.define "third" |third|     third.vm.box = "second"     third.vm.network "private_network", ip: "192.168.35.10"     third.vm.hostname = "thirdserver"     third.vm.synced_folder "/home/eman/dev", "/home/vagrant/dev"   end  end 

and run commands:

vagrant box add second_box second_box.box

vagrant up

vagrant ssh

the virtual machine becomes empty, can't find installed first , second step.

anyone know answer?