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what is a good way to add a shutdownhook to ktor application? In my understanding, since  Runtime.getRuntime().addShutdownHook requires you to use thread directly, it is not recommended.

<https://ktor.io/docs/shutdown-url.html|https://ktor.io/docs/shutdown-url.html>

i think shutdown-url is different from what i am looking for. Shutdown url provides an endpoint which when invoked, shut downs the server.

I am looking for a way to run a piece of task when server is about to shut down.

Application.environment.monitor.subscribe()

There are a few environment lifecycle hooks exposed by ktor, but i had a bit of trouble with it

there's a page about it in the ktor docs somewhere

You can use the <https://api.ktor.io/ktor-server/ktor-server-host-common/io.ktor.server.engine/add-shutdown-hook.html|ApplicationEngine.addShutdownHook> method.