phase-5/microservices/notification/Dockerfile

# Notification Microservice Dockerfile - Phase 5
FROM python:3.11-slim

WORKDIR /app

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

# Copy requirements and install
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

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

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:4000/health || exit 1

# Expose port
EXPOSE 4000

# Run application
CMD ["uvicorn", "src.main:app", "--host", "0.0.0.0", "--port", "4000"]