Dockerfile

# Multi-stage build for LUKi Cognitive Modules
FROM python:3.11-slim as builder

# Install system dependencies for building
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    git \
    && rm -rf /var/lib/apt/lists/*

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

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

# Production stage
FROM python:3.11-slim

# Install minimal runtime dependencies
RUN apt-get update && apt-get install -y \
    && rm -rf /var/lib/apt/lists/*

# Copy virtual environment from builder stage
COPY --from=builder /opt/venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

# Set working directory
WORKDIR /app

# Copy application code
COPY . .

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

# Expose port - must match Railway's PORT
EXPOSE 8080

# Start command - use startup.py to handle PORT dynamically
CMD ["python", "startup.py"]