Operating system limits

Questions / Help
1

I have seen a couple of posts here without clear resolution around setting file descriptor limits and wondering how we would translate the following docker command into a fly app:

docker run --ulimit nofile=80000:80000

For context our app is running from a fly launch --image based off a public image that we are not authoring and the recommendation from the publisher is to increase OS level limits such as the file descriptors.

2

Hi @swgdev

The easiest way would probably be to create your own Dockerfile that’s derived from the public image (FROM <public image>) and add a custom entrypoint script to it that sets the ulimit and starts the app.

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