For use MUST be added the URL of a specs repository into Podfile for specifying location of pods
source 'https://github.com/Viveron/Podspecs'
source 'https://github.com/CocoaPods/Specs.git'
Or specifyed the source for a particular pod
pod 'NAME', :source => 'https://github.com/Viveron/Podspecs'
For pod updation or adding new should perform command in terminal
pod repo push https://github.com/Viveron/Podspecs NAME.podspec