Dockerfile

# Use Python 3.12 slim image as base
FROM python:3.12-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV DJANGO_SETTINGS_MODULE=PMS.settings

# Set work directory
WORKDIR /app

# Install system dependencies
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        gcc \
        pkg-config \
        default-libmysqlclient-dev \
        build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install Python dependencies
COPY PMS/requirements.txt /app/requirements.txt
RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -r requirements.txt

# Copy project files
COPY PMS/ /app/

# Create directories for static files and media
RUN mkdir -p /app/staticfiles /app/media

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

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD python -c "import requests; requests.get('http://localhost:8000/admin/login/', timeout=10)"

# Run the application
CMD ["python", "manage.py", "runserver", "0.0.0.0:8000"]