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FROM node:22-bookworm-slim AS frontend-build
WORKDIR /app/frontend
COPY frontend/package.json frontend/package-lock.json* ./
RUN npm ci 2>/dev/null || npm install
COPY frontend/ ./
RUN npm run build
FROM python:3.12-slim-bookworm
ENV PYTHONDONTWRITEBYTECODE=1 \
PYTHONUNBUFFERED=1 \
PYTHONPATH=/app \
NLTK_DATA=/app/nltk_data \
HF_HOME=/tmp/hf_cache \
TRANSFORMERS_CACHE=/tmp/hf_cache \
MODEL_NAME="Meta-Feature Stacking (Production)" \
ENV=production \
PORT=8000
WORKDIR /app
RUN apt-get update \
&& apt-get install -y --no-install-recommends curl \
&& rm -rf /var/lib/apt/lists/*
COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv
COPY pyproject.toml uv.lock* README.md ./
RUN uv sync --frozen --no-dev 2>/dev/null || uv sync --no-dev
RUN uv run python -m spacy download en_core_web_sm \
&& uv run python - <<'PY'
import nltk
for pkg in ("stopwords", "punkt"):
nltk.download(pkg, download_dir="/app/nltk_data")
PY
COPY configs/ configs/
COPY src/ src/
COPY models/baseline/ models/baseline/
COPY models/production_final/ models/production_final/
COPY --from=frontend-build /app/frontend/dist frontend/dist
COPY .env.example .env.example
EXPOSE 8000
HEALTHCHECK --interval=10s --timeout=5s --retries=12 --start-period=60s \
CMD curl -f http://localhost:${PORT:-8000}/health || exit 1
# Shell form so ${PORT} is expanded at runtime (Render injects PORT; local defaults to 8000).
CMD uv run uvicorn src.api.main:app --host 0.0.0.0 --port ${PORT:-8000}
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