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FROM python:3.12-slim
# ───────────────────────────────
# ENVIRONMENT VARIABLES
# ───────────────────────────────
ENV PYTHONDONTWRITEBYTECODE=1 \
PYTHONUNBUFFERED=1 \
TRANSFORMERS_CACHE=/app/model_cache \
HF_HOME=/app/.cache/huggingface \
SENTENCE_TRANSFORMERS_HOME=/app/.cache/huggingface/sentence-transformers
# HF_TOKEN is optional (e.g. for gated models)
ARG HF_TOKEN
ENV HF_TOKEN=${HF_TOKEN}
# ───────────────────────────────
# WORKDIR
# ───────────────────────────────
WORKDIR /app
# ───────────────────────────────
# SYSTEM DEPENDENCIES
# ───────────────────────────────
RUN apt-get update && apt-get install -y --no-install-recommends \
libgl1 libglib2.0-0 git curl && \
rm -rf /var/lib/apt/lists/*
# ───────────────────────────────
# PYTHON DEPENDENCIES
# ───────────────────────────────
COPY requirements.txt .
RUN pip install --upgrade pip && \
pip install --no-cache-dir -r requirements.txt
# ───────────────────────────────
# CREATE CACHE DIRS & MODEL WARM-UP
# ───────────────────────────────
RUN mkdir -p /app/model_cache /app/.cache/huggingface/sentence-transformers && \
python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('all-MiniLM-L6-v2')"
# ───────────────────────────────
# CREATE NON-ROOT USER
# ───────────────────────────────
RUN useradd -m -u 1000 user && \
chown -R user:user /app
USER user
# ───────────────────────────────
# COPY PROJECT FILES
# ───────────────────────────────
COPY . .
# ───────────────────────────────
# RUN SERVER
# ───────────────────────────────
CMD ["gunicorn", "app.main:app", "-k", "uvicorn.workers.UvicornWorker", "--bind", "0.0.0.0:7860"]
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