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Ping service to keep Heroku web processes from idling when not in use.
JavaScript
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README.md

Ping Service

A very simple Node.js app that pings URLs at regular intervals.

On Heroku, 1 dyno web processes go idle after 1 hour of inactivity. This service pings apps at regular intervals to keep them from going idle. Ping Service is meant to be run as a worker process on Heroku because 1 dyno worker processes never go idle.

Read more about dynos on Heroku DevCenter

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