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feat: enable memory profiling #1927

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Merged
epipav merged 10 commits into from
May 22, 2026
+6 −2
Merged

feat: enable memory profiling #1927

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528fd23
chore: enable heap snapshot on OOM
epipav May 20, 2026
700f8c9
fix: use valid node heap snapshot flags
epipav May 20, 2026
b892b05
Merge branch 'main' into tmp/enable-memory-profiling
epipav May 21, 2026
1aa0e99
fix: preserve cwd for heap snapshot cmd
epipav May 21, 2026
94f003c
fix: use absolute path for node entrypoint
epipav May 21, 2026
5fbecef
chore: gate heap snapshots behind env var
epipav May 22, 2026
83239c1
Merge branch 'main' into tmp/enable-memory-profiling
epipav May 22, 2026
839befd
fix: accept '1' or 'true' for HEAP_SNAPSHOT_ENABLED
epipav May 22, 2026
c013ae9
Merge branch 'main' into tmp/enable-memory-profiling
epipav May 22, 2026
666a643
Merge branch 'main' into tmp/enable-memory-profiling
epipav May 22, 2026
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8 changes: 6 additions & 2 deletions frontend/Dockerfile
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Expand Up @@ -83,11 +83,15 @@ RUN groupadd --gid 1001 nodejs && \
useradd --uid 1001 --gid nodejs --shell /bin/bash --create-home nuxt && \
chown -R nuxt:nodejs /app

RUN mkdir -p /app/heapdumps && chown nuxt:nodejs /app/heapdumps

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Comment on lines 84 to +87
USER nuxt

EXPOSE 3000

ENV NODE_OPTIONS=--max-old-space-size=3072

# Use exec form for proper signal handling
CMD ["node", ".output/server/index.mjs"]
# Heap snapshots are opt-in: set HEAP_SNAPSHOT_ENABLED=1 to activate.
# When enabled, cd into the heapdumps volume mount so snapshots land there.
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# exec replaces sh with node for proper signal handling.
CMD ["/bin/sh", "-c", "if [ \"$HEAP_SNAPSHOT_ENABLED\" = \"1\" ] || [ \"$HEAP_SNAPSHOT_ENABLED\" = \"true\" ]; then cd /app/heapdumps && exec node --heapsnapshot-near-heap-limit=3 --heapsnapshot-signal=SIGUSR2 /app/.output/server/index.mjs; else exec node /app/.output/server/index.mjs; fi"]
Comment on lines +95 to +97
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