Dockerfile

# Multi-stage Dockerfile for AI-CoScientist
# Optimized for production deployment with Python 3.11+

ARG PYTHON_VERSION=3.11

# Stage 1: Builder - Install dependencies
FROM python:${PYTHON_VERSION}-slim as builder

# Set working directory
WORKDIR /app

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

# Install Poetry
RUN pip install --no-cache-dir poetry==1.7.1

# Copy dependency files
COPY pyproject.toml poetry.lock ./

# Configure Poetry to not create virtual environment
RUN poetry config virtualenvs.create false

# Install Python dependencies
RUN poetry install --no-dev --no-interaction --no-ansi

# Stage 2: Runtime
FROM python:${PYTHON_VERSION}-slim

# Set working directory
WORKDIR /app

# Install runtime system dependencies
RUN apt-get update && apt-get install -y \
    curl \
    libpq5 \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user for security
RUN useradd -m -u 1000 coscientist && \
    chown -R coscientist:coscientist /app

# Copy Python packages from builder
COPY --from=builder /usr/local/lib/python${PYTHON_VERSION}/site-packages /usr/local/lib/python${PYTHON_VERSION}/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin

# Copy application code
COPY --chown=coscientist:coscientist . .

# Create necessary directories
RUN mkdir -p /app/papers_collection /app/logs && \
    chown -R coscientist:coscientist /app/papers_collection /app/logs

# Switch to non-root user
USER coscientist

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:8000/api/v1/health || exit 1

# Default command (can be overridden in docker-compose)
CMD ["uvicorn", "src.main:app", "--host", "0.0.0.0", "--port", "8000"]