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fix: add tini as init to reap Docker healthcheck zombie children #421

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Merged
DeliciousBuding merged 1 commit into from
Jul 13, 2026
Merged

fix: add tini as init to reap Docker healthcheck zombie children #421

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8 changes: 5 additions & 3 deletions hub-server/deployments/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -36,9 +36,11 @@ FROM alpine:3.21

# Single RUN to minimise layers: upgrade base packages, install
# runtime deps (ca-certificates for TLS, tzdata for timezones,
# wget for HEALTHCHECK), configure nsswitch, create non-root user.
# wget for HEALTHCHECK, tini as init process (reaps zombie children
# that Docker healthcheck injects into the PID namespace), configure
# nsswitch, create non-root user.
RUN apk upgrade --no-cache \
&& apk add --no-cache ca-certificates tzdata wget \
&& apk add --no-cache ca-certificates tzdata wget tini \
&& echo "hosts: files dns" > /etc/nsswitch.conf \
&& adduser -D -h /app agenthub

Expand All @@ -65,5 +67,5 @@ EXPOSE 8080
HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
CMD wget -qO- http://localhost:8080/health || exit 1

ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/docker-entrypoint.sh"]
CMD ["./server-hub"]
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