Install Docker for Mac

install_docker_for_mac

#!/bin/sh

log_info() {
  echo "[info] $*"
}

log_warn() {
  echo "[warn] $*"
}

install_xcode_cli() {
  xcode-select --install 2> /dev/null

  if [ $? == 1 ]; then
    log_info "Xcode CLI installed"
  else
    log_warn "Unexpected exitstatus when installing Xcode CLI"
    exit 1
  fi
}

install_homebrew() {
  if [ -f /usr/local/bin/brew ]; then
    log_info "Homebrew installed"
  else
    log_info "Installing Homebrew"
    /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
  fi
}

brew_install() {
  package_name="$1"
  log_info "Installing $package_name"
  brew install "$package_name"
}

brew_cask_install() {
  package_name="$1"
  log_info "Installing $package_name"
  brew tap caskroom/cask
  brew cask install "$package_name"
}

install_xcode_cli
install_homebrew

# You can install more than just docker here (e.g. Chrome, Firefox, etc)
brew_cask_install 'docker'

brew prune