Dockerfile

# Use Node.js 18 Alpine as base image
FROM node:18-alpine

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apk add --no-cache \
    postgresql-client \
    python3 \
    make \
    g++

# Copy package files
COPY package*.json ./

# Install Node.js dependencies
RUN npm ci --only=production

# Copy application code
COPY . .

# Create uploads directories
RUN mkdir -p uploads/categories uploads/products uploads/sellers uploads/users

# Set environment variables
ENV NODE_ENV=production
ENV PORT=7860

# Expose port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:7860/api/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })"

# Start the application
CMD ["node", "server.js"]