Dockerfile entrypoint to just run

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Dockerfile entrypoint to just run

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Last edited Jan 24, 2019

Created on Jan 24, 2019

This example demonstrates a Dockerfile that uses an `ENTRYPOINT` of `["tail", "-f", "/dev/null"]` to keep a container running indefinitely after it starts. It shows a minimal, practical pattern for maintaining a persistent container process without needing an application to run. The code relies solely on the Dockerfile’s `ENTRYPOINT` instruction, invoking the `tail` command with the `-f` flag to follow the null device, which yields no output while preventing the container from exiting.

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