Dockerfile

# syntax=docker/dockerfile:1
FROM python:3.12-slim as builder

# Install build dependencies for C++ pybind11 extension
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    cmake \
    git \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app
COPY requirements.txt .
RUN pip wheel --no-cache-dir --no-deps --wheel-dir /app/wheels -r requirements.txt

# Copy source code and build the C++ extension
COPY . .
RUN pip install setuptools pybind11
RUN python setup.py build_ext --inplace

# Runner Image
FROM python:3.12-slim

# Create non-root user
RUN groupadd -r apexflow && useradd -r -g apexflow -d /app apexflow

WORKDIR /app
COPY --from=builder /app/wheels /wheels
COPY --from=builder /app/requirements.txt .
RUN pip install --no-cache-dir --no-index --find-links=/wheels -r requirements.txt
RUN pip install --no-cache-dir streamlit prometheus_client

# Copy the built extension and source
COPY --from=builder /app/apexflow_cpp*.so /app/
COPY --from=builder /app/src /app/src
COPY --from=builder /app/scripts /app/scripts

# Set permissions
RUN chown -R apexflow:apexflow /app
USER apexflow

ENV PYTHONPATH=/app/src:/app
ENV APEXFLOW_ENV=production

EXPOSE 8501 9090
CMD ["streamlit", "run", "src/apexflow/ui/app.py", "--server.port=8501", "--server.address=0.0.0.0"]