Dockerfile

# Use Python 3.11 official image
FROM python:3.11-slim

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

# Set work directory
WORKDIR /app

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

# Create virtual environment
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

# Copy requirements first for better caching
COPY requirements.txt requirements-dev.txt ./

# Install Python dependencies
RUN pip install --upgrade pip && \
    pip install -r requirements.txt

# Copy project files
COPY . .

# Install the package in development mode
RUN pip install -e .

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

# Expose port (if needed for future web services)
EXPOSE 8000

# Default command
CMD ["python", "-c", "from gdpval_base import GDPvalAnalyzer; print('GDPval Base package is ready!')"]