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LCORE-2802: Bake embedding model into image and make HF_HUB_OFFLINE o… #2008

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LCORE-2802: Bake embedding model into image and make HF_HUB_OFFLINE o…
alessandralanz Jun 26, 2026
4484530
LCORE-2802: Fix HF_HOME to be build-time only, not global ENV
alessandralanz Jun 26, 2026
9a9de52
LCORE-2802: Remove HF_HOME pass-through that breaks default HF cache …
alessandralanz Jun 26, 2026
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6 changes: 6 additions & 0 deletions deploy/lightspeed-stack/Containerfile
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Expand Up @@ -130,6 +130,12 @@ ENV PATH="/app-root/.venv/bin:$PATH"
# We place them at /app-root/providers.d. YAMLs there reference lightspeed_stack_providers.*, so that package must be on PYTHONPATH.
ENV PYTHONPATH="/app-root"

# Pre-download embedding model for OKP/Solr vector search (~61MB, baked into image).
# Uses a dedicated path so the docker-compose HF cache volume mount does not shadow it.
RUN mkdir -p /app-root/.hf-models && \
HF_HOME=/app-root/.hf-models python3.12 -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('ibm-granite/granite-embedding-30m-english')" && \
chown -R 1001:1001 /app-root/.hf-models

# Run the application
EXPOSE 8080
ENTRYPOINT ["python3.12", "src/lightspeed_stack.py"]
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4 changes: 3 additions & 1 deletion docker-compose-library.yaml
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Expand Up @@ -58,8 +58,10 @@ services:
- LLAMA_STACK_LOGGING=${LLAMA_STACK_LOGGING:-}
# FAISS test and inline RAG config
- FAISS_VECTOR_STORE_ID=${FAISS_VECTOR_STORE_ID:-}
# Pass env var from shell into container to access OKP
- RH_SERVER_OKP=${RH_SERVER_OKP:-}
# Prevent HuggingFace Hub update checks (HTTP 429 rate-limiting in CI from parallel jobs).
- HF_HUB_OFFLINE=1
- HF_HUB_OFFLINE=${HF_HUB_OFFLINE:-1}
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:8080/liveness"]
interval: 10s # how often to run the check
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