# Use Node.js LTS as the base image
FROM node:18-slim

# Create and change to the app directory
WORKDIR /usr/src/app

# Copy package.json and package-lock.json
COPY package*.json ./

# Install dependencies
RUN npm install --production

# Copy the rest of the application code
COPY . .

# Expose the port the app runs on
EXPOSE 3000

# Command to run the application
CMD [ "node", "index.js" ]