# Multi-stage build for Django backend
FROM python:3.11-slim as backend

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Set work directory
WORKDIR /app

# Install system dependencies
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        postgresql-client \
        build-essential \
        libpq-dev \
    && rm -rf /var/lib/apt/lists/*

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

# Copy project
COPY . .

# Create directories
RUN mkdir -p /app/logs /app/media /app/staticfiles

# Collect static files
RUN python manage.py collectstatic --noinput

# Expose port
EXPOSE 8000

# Run the application
CMD ["gunicorn", "--bind", "0.0.0.0:8000", "--workers", "3", "dubai_analytics.wsgi:application"]

# Frontend build stage
FROM node:18-alpine as frontend

WORKDIR /app/frontend

# Copy package files
COPY frontend/package*.json ./

# Install dependencies
RUN npm ci --only=production

# Copy source code
COPY frontend/ .

# Build the application
RUN npm run build

# Production stage
FROM nginx:alpine

# Copy built frontend
COPY --from=frontend /app/frontend/dist /usr/share/nginx/html

# Copy nginx configuration
COPY nginx.conf /etc/nginx/nginx.conf

# Copy backend static files
COPY --from=backend /app/staticfiles /usr/share/nginx/html/static

EXPOSE 80

CMD ["nginx", "-g", "daemon off;"]