Dockerfile.python

# Multi-stage Python Dockerfile for all Python services
FROM python:3.11-slim as base

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    libpq-dev \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# Set work directory
WORKDIR /app
ENV PYTHONPATH=/app

# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy the entire project
COPY . .

# Create non-root user
RUN useradd --create-home --shell /bin/bash app && chown -R app:app /app
USER app

# Default command (can be overridden)
CMD ["python", "-m", "uvicorn", "services.trust_calc.calc:app", "--host", "0.0.0.0", "--port", "8001"]