Who am I?

Koen Van Looveren
Freelance Developer
Focus on Flutter
Flutter Belgium organizer
Webflow & Serverpod enthusiast

What is this talk about?

What is a cli?
Why do you need a custom cli?
Why use dart for your cli?
How to write one?
How I use one?
When not to use a custom cli?

What is a CLI?

Command Line Interface
Interactive
flutter / dart = cli
- flutter doctor

Why do you need a custom cli?

Simplify company tasks
Use dart for everything
Prevent context switching
(But we already have fastlane?)

Fastlane or fastpain?

Ruby
Gem vs Brew
Cocoapods
Dev environment issues

Why use dart for your cli?

1 programming language for all
No context switching
AOT cli compilation
Runs anywhere
No dev environment issues

How to write one?

Packages to recommend:

How I use one?

When not to use a custom cli?

Explain why you don't want a custom cli

Not ready for maintenance?
No custom implementation needed
Fastlane is working perfect for you
You don't like a fun side project