wait-for-it vs dockerize vs wait4x in 2026: Stop Using sleep 10 in Your Entrypoint

Wed, 11 Nov 2026 00:00:00 +0000

Your API container booted in 400ms. Your Postgres container took nine seconds to accept connections. The sleep 10 in your entrypoint worked for eleven months — until the day the database had to replay a WAL segment and recovery took 14 seconds. The container crash-looped, the orchestrator marked the service unhealthy, and your deploy failed at 2am for a reason that had nothing to do with the code you shipped.

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wait-for-it vs dockerize vs wait4x in 2026: Stop Using sleep 10 in Your Entrypoint