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fix(docker): keep ISR and suffix-list caches writable on a read-only root #9829

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Merged
waleedlatif1 merged 1 commit into from
Nov 10, 2026
Merged

fix(docker): keep ISR and suffix-list caches writable on a read-only root #9829

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8 changes: 5 additions & 3 deletions docker/app.Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -252,12 +252,14 @@ COPY --from=builder --chown=nextjs:nodejs /app/apps/sim/lib/execution/sandbox/bu
# - apps/sim/.next/cache: the Next image optimizer's disk cache
# (.next/cache/images) and the data cache for `fetch` calls with
# `next.revalidate`.
# - apps/sim/.next/server/route-cache: where Next writes every revalidated
# (ISR) page and route handler response.
# Keep the VOLUME line after every step that writes to these paths: the
# classic builder discards later build-time changes to a declared volume.
RUN mkdir -p apps/sim/.next/cache && \
chown -R nextjs:nodejs apps/sim/.next/cache && \
RUN mkdir -p apps/sim/.next/cache apps/sim/.next/server/route-cache && \
chown -R nextjs:nodejs apps/sim/.next/cache apps/sim/.next/server/route-cache && \
chmod 1777 /tmp
VOLUME ["/tmp", "/app/apps/sim/.next/cache"]
VOLUME ["/tmp", "/app/apps/sim/.next/cache", "/app/apps/sim/.next/server/route-cache"]

# Switch to non-root user
USER nextjs
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6 changes: 5 additions & 1 deletion docker/pii.Dockerfile
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Expand Up @@ -46,7 +46,11 @@ COPY --chown=pii:pii --chmod=755 docker/pii-entrypoint.sh ./
# and /tmp (mode 1777), Python's tempfile scratch, stays writable because ECS
# copies the image's /tmp into a bind volume mounted at a VOLUME path. The
# VOLUME line stays below the model download, which stages wheels in /tmp.
ENV PYTHONDONTWRITEBYTECODE=1
# tldextract (pulled in by Presidio) caches the Public Suffix List under
# $HOME/.cache by default; point it at /tmp so it caches instead of
# refetching the list on every start.
ENV PYTHONDONTWRITEBYTECODE=1 \
TLDEXTRACT_CACHE=/tmp/tldextract
RUN chmod 1777 /tmp
VOLUME ["/tmp"]

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