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Fixed healthcheck #2

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Merged
Taegost merged 1 commit into from
Apr 13, 2026
Merged

Fixed healthcheck #2

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5 changes: 3 additions & 2 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ RUN chmod 755 ddns.py
USER ddns

# Simple liveness probe: process is running
HEALTHCHECK --interval=60s --timeout=5s --start-period=10s --retries=3 \
CMD pgrep -f ddns.py || exit 1
HEALTHCHECK --interval=60s --timeout=5s --start-period=30s --retries=3 \
CMD python -c "import time, sys; d=open('/tmp/heartbeat').read(); sys.exit(0 if time.time()-float(d) < ${RECHECK_SECS:-900}+60 else 1)"

ENTRYPOINT ["python", "-u", "ddns.py"]
5 changes: 4 additions & 1 deletion ddns.py
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Expand Up @@ -205,7 +205,10 @@ def main() -> None:
cfg["max_retries"],
domain,
)


# Update heartbeat file for Docker healthcheck
with open("/tmp/heartbeat", "w") as f:
f.write(str(time.time()))

if __name__ == "__main__":
main()