Dockerfile

FROM python:3.9-slim-bullseye

# Fix locale (optional but recommended for some builds)
ENV LANG=C.UTF-8 LC_ALL=C.UTF-8

# Python settings
ENV PYTHONUNBUFFERED=1 \
    HF_HOME="/tmp/hf_cache" \
    TRANSFORMERS_CACHE="/tmp/hf_cache/transformers" \
    HF_DATASETS_CACHE="/tmp/hf_cache/datasets" \
    SENTENCE_TRANSFORMERS_HOME="/tmp/hf_cache/sentence_transformers"

WORKDIR /app

# Install full build deps for llama-cpp-python
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    cmake \
    libopenblas-dev \
    libblas-dev \
    liblapack-dev \
    git \
    python3-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements
COPY requirements.txt .

# Force pip to build from source, but with clean env
RUN pip install --upgrade pip setuptools wheel \
 && pip install --no-binary=:all: --no-cache-dir -r requirements.txt

# Copy app
COPY . .

# Expose port
EXPOSE 7860

# Command
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]