Dockerfile

# Multi-stage build for smaller image size

FROM python:3.11-slim AS builder

WORKDIR /build

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

# Copy requirements
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir --user -r requirements.txt


# Final stage
FROM python:3.11-slim

LABEL maintainer="Team F - Samuel Ogboye, Nasiff Bello, Daniel Kiyiki"
LABEL description="Log Analysis System Microservice for Developer Foundry 2.0 (AIMA)"

WORKDIR /app

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

# Create non-root user
RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app

# Copy Python dependencies from builder
COPY --from=builder /root/.local /home/appuser/.local

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

# Switch to non-root user
USER appuser

# Update PATH
ENV PATH=/home/appuser/.local/bin:$PATH
ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1

# Expose ports
EXPOSE 8000 9090

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

# Run application
CMD ["python", "-m", "uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]