Dockerfile

FROM ghcr.io/astral-sh/uv:python3.13-bookworm-slim AS builder

RUN apt-get update && apt-get install -y \
    build-essential \
    cmake \
    clang \
    gcc \
    autoconf \
    automake \
    g++

ENV UV_COMPILE_BYTECODE=1
ENV UV_LINK_MODE=copy
ENV DEBIAN_FRONTEND=noninteractive

WORKDIR /app

# Copy only the files needed for dependency installation
COPY pyproject.toml uv.lock ./

# Install dependencies in two phases
RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync --frozen --no-install-project --no-dev

# Copy the rest of the application
COPY . /app

# Then build remaining packages
RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync --frozen --no-dev

FROM python:3.13-slim-bookworm

COPY --from=builder /usr/local/lib/python3.13/site-packages/ /usr/local/lib/python3.13/site-packages/
COPY --from=builder /usr/local/bin/ /usr/local/bin/
COPY --from=builder --chown=app:app /app /app

WORKDIR /app

ENV PATH="/app/.venv/bin:$PATH"
ENV PYTHONPATH=/app
ENV MODEL_CACHE_DIR=/app/model_cache

RUN useradd -m appuser \
    && chown -R appuser:appuser /app

USER appuser
CMD ["uv", "run", "fastapi", "run", "./src/api.py", "--host", "0.0.0.0", "--port", "8000"]