Using react-native-config@0.11.7 with React Native >0.60

Podfile

# This is needed for react-native-config
# See more: https://github.com/luggit/react-native-config/issues/187#issuecomment-468730417
post_install do |installer|
  installer.pods_project.targets.each do |target|
    if target.name == 'react-native-config'
      phase = target.project.new(Xcodeproj::Project::Object::PBXShellScriptBuildPhase)
      phase.shell_script = "cd ../../"\
                           " && RNC_ROOT=./node_modules/react-native-config/"\
                           " && export SYMROOT=$RNC_ROOT/ios/ReactNativeConfig"\
                           " && export BUILD_DIR=$RNC_ROOT/ios/ReactNativeConfig"\
                           " && ruby $RNC_ROOT/ios/ReactNativeConfig/BuildDotenvConfig.ruby"

      target.build_phases << phase
      target.build_phases.move(phase,0)
    end
  end
end