fast lane crashlytics beta minimal setting

Fastfile

default_platform(:ios)

platform :ios do
  desc "Push a new beta build to Crashlytics"
  lane :beta do
    cert
    sigh(adhoc: true)
    cocoapods

    build_app(
      workspace: "<ProjectName>.xcworkspace",
      export_method: "ad-hoc"
    )

    crashlytics(
      api_token: "<API Token>",
      build_secret: "<Build Secret>"
    )
  end
end