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intermediate · 18 min · $5.00

Supervisors That Self-Heal

"Let it crash" only works because something is watching. That something is a supervisor.

After this: Design a supervision tree that isolates failure and restarts cleanly.


OTP’s promise is not that your code never breaks — it’s that breakage is contained. A supervisor watches its children and restarts them per a declared strategy.

The rest of this chapter is part of the catalog

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