For getting comfortable at the terminal
1 chapter · 1 lesson
A release broke order totals. Find the cause and get production back to a safe state, without rewriting history others have already pulled.
A place to experience, safely and repeatedly, the situations that rarely come your way at work.
No hints and no answers. You get the situation and the acceptance criteria; how to solve it is yours to decide.
The check confirms that you saw it through. There is no score.
Undo a mistake without rewriting history that others already pulled.
Scope a release and find which change broke it, from the history alone.
Leave unrelated changes and in-flight work untouched.
Experience the situations you never get access to, in an environment you are allowed to break.
The question is not what to type, but what to do first.
Get the first time over with here, before production.
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