Fastlane command not found

Question

I am trying to install fastlane. I have Xcode installed. I installed fastlane using the command sudo gem install fastlane. I now go in

Answer 1

DO NOT INSTALL FASTLANE GLOBALLY It is recommended that you use a Gemfile to define your dependency on Fastlane. This will clearly define the used Fastlane version, and its dependencies, and will also speed up using Fastlane.

Step 1: Install bundler using

sudo gem install bundler

so any time you wan run Fastlane
bundler exec fastlane ...