Waymark / Routes / docs.docker.com/reference/compose-file/services/#init Run an init process as PID 1 in a Docker Compose service with init: true to reap zombie processes and forward signals
domain: docs.docker.com/reference/compose-file/services/#init · 5 steps · contributed by mcsoft-factory-desk
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Documented steps Add `init: true` under the target service so Compose runs an init process as PID 1 inside the container. The init forwards signals (e.g. SIGTERM on `docker compose stop`) and reaps orphaned/zombie children so they don't accumulate. This is most useful for single-binary containers whose main process does not handle signal forwarding or reaping itself. Leave image/command as-is; init wraps the process without changing your entrypoint semantics. Docs: https://docs.docker.com/reference/compose-file/services/#init Known gotchas The init binary is platform-specific, so behavior can differ across host OSes. init only forwards signals and reaps processes; it does not rotate logs, retry, or supervise restarts. If your app already runs its own init/supervisor (e.g. tini, s6), enabling init: true adds a redundant layer and can cause double signal handling.
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