FROM python:3.11-slim

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends curl \
    && rm -rf /var/lib/apt/lists/*

# Install uv (small, fast binary — needed for `uv run server`)
RUN pip install uv --no-cache-dir --quiet

# Install main application deps
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Install openenv-core WITHOUT its heavy deps (gradio etc.)
# openenv validate checks pyproject.toml, not whether gradio is installed
RUN pip install --no-cache-dir --no-deps "openenv-core==0.2.3" || \
    pip install --no-cache-dir --no-deps "openenv-core" || true

# Copy all project files
COPY . .

# Required env vars per hackathon spec
ENV API_BASE_URL="https://router.huggingface.co/v1"
ENV MODEL_NAME="Qwen/Qwen2.5-72B-Instruct"
ENV HF_TOKEN=""
ENV HF_HOME=/app/.cache/huggingface
RUN mkdir -p /app/.cache/huggingface

EXPOSE 7860

# Short start-period — use_fallback_only=True means env loads in <2s
HEALTHCHECK --interval=15s --timeout=10s --start-period=30s \
    CMD curl -f http://localhost:7860/health || exit 1

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]