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feat(infra): parameterize OCR mem_limit via OCR_MEM_LIMIT

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Hardcoded `mem_limit: 12g` only works on CX42+ (16 GB) hosts; a CX32 (8
GB) cannot honour it. Make both mem_limit and memswap_limit driven by
the OCR_MEM_LIMIT env var, defaulting to 12g so prod deploys on a CX42
keep current behaviour. Operators on smaller hosts override to 6g.

Verified compose interpolation produces 12 GiB by default and 6 GiB when
OCR_MEM_LIMIT=6g.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Marcel
2026-05-11 12:01:23 +02:00
parent 47c5f77c81
commit 4eb5eba347
1 changed files with 4 additions and 2 deletions
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6
docker-compose.prod.yml
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@@ -121,8 +121,10 @@ services:
- "8000" - "8000"
# Surya OCR loads ~5GB of transformer models at startup; first request # Surya OCR loads ~5GB of transformer models at startup; first request
# triggers a further ~1GB Kraken model download into ocr-cache. # triggers a further ~1GB Kraken model download into ocr-cache.
mem_limit: 12g # CX42+ (16 GB RAM) honours the default. On a CX32 (8 GB) override with
memswap_limit: 12g # OCR_MEM_LIMIT=6g (slower first-request, fits the host).
mem_limit: ${OCR_MEM_LIMIT:-12g}
memswap_limit: ${OCR_MEM_LIMIT:-12g}
volumes: volumes:
- ocr-models:/app/models - ocr-models:/app/models
- ocr-cache:/root/.cache - ocr-cache:/root/.cache