My favorit "Podfile".

Podfile-favorite

# Uncomment the next line to define a global platform for your project
platform :ios, '12.0'

# Comment the next line if you don't want to use dynamic frameworks
use_frameworks!

abstract_target 'All' do

  # Pods for All
  pod 'SwiftFormat/CLI'
  pod 'SwiftLint'
  pod 'Logging'
  pod 'SwiftGen'

  target 'Main' do

    # Pods for A
    pod 'RxCocoa'
    pod 'RxSwift'

  end

  target 'Model' do

    # Pods for Model
    pod 'RealmSwift'

  end

  # target 'C' do

  #   # Pods for C

  #   target 'CTests' do
  #     inherit! :search_paths
  #     # Pods for testing
  #   end

  # end

end