Package Exports

fastify-graceful-shutdown
fastify-graceful-shutdown/index.js

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Readme

🏹 fastify-graceful-shutdown

Shutdown Fastify graceful asynchronously. By default the fastify close hook is called when SIGINT or SIGTERM was triggered.

Features

Graceful and debug friendly shutdown
Flush the fastify logger before process exit to avoid losing logs
Handlers are called in parallel for faster shutdown

Install

npm install --save fastify-graceful-shutdown

Register plugin

fastify.register(require('fastify-graceful-shutdown'))

Usage

fastify.after(() => {
  fastify.gracefulShutdown((signal, next) => {
    fastify.log.info('Received signal to shutdown: %s', signal)
    next()
  })
})

Compatibility

Fastify >=3

Caveats

Don't register signal handlers otherwise except with this plugin.
Can't be used with a different logger other than Pino because we use the child logger feature to encapsulate the logs.
Use fastify onClose hook to release resources in your plugin.
The process will be exited after a certain timeout (Default 10 seconds) to protect against stuck process.