# Use official Node.js LTS image
FROM node:18-alpine

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy application files
COPY public/images ./public/images
COPY . .

# Expose the application port
EXPOSE 3000

# Set environment variables
ENV NODE_ENV=production

# Health check endpoint
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s \
  CMD curl -f http://localhost:3000/ || exit 1

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