FROM python:3.11-slim

WORKDIR /app

# Install system dependencies for LDAP
RUN apt-get update && apt-get install -y \
    libldap2-dev \
    libsasl2-dev \
    libssl-dev \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy application code
COPY . .

# Create non-root user
RUN adduser --disabled-password --gecos 'Non Root' appuser && chown -R appuser:appuser /app
USER appuser

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8080/health || exit 1

EXPOSE 8080

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8080"]