15 Self-Hosting Mistakes That Crash Stirling-PDF and How to Fix Them

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Stirling-PDF, a self-hosted PDF processing tool, is frequently blamed for crashes and broken outputs that are almost always caused by misconfiguration outside the application itself. Common culprits include unbounded container memory, wrong image variants, insufficient reverse proxy timeouts, and missing OCR language packs. The Java process inside the container defaults to claiming 25% of visible RAM, while office conversions run through a single LibreOffice process and every job writes temporary files to disk. The article identifies 15 specific anti-patterns across different user profiles — from home lab tinkerers to small teams — and pairs each with a targeted fix. Addressing four core assumptions around memory limits, image selection, proxy timeouts, and temp storage resolves the majority of reported failures.

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