Fastfile with .env

Fastfile

desc "build"
lane :build do |options|
  build_ios_app(
    configuration: ENV["BUILD_CONFIGURATION"],
    export_options: {
      method: ENV["EXPORT_METHOD"],
      provisioningProfiles: {
        ENV["APP_IDENTIFIER"] => ENV["APP_PROVISIONING_PROFILE"],
        ENV["APP_NOTIFICATION_EXTENSION_ID"] => ENV["APP_NOTIFICATION_EXTENSION_PROVISIONING_PROFILE"]
      }
    }
  )
end