What is “packer” Package?

Tool for creating identical machine images for multiple platforms
For more details: https://packer.io

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install packer.

  brew install packer

Now, use packer!