# Use the official Node.js LTS image FROM node:18 # Set the working directory inside the container WORKDIR /app # Copy package.json and package-lock.json to the container COPY package*.json ./ # Install dependencies RUN npm install --production # Copy the rest of the application code to the container COPY . . # Expose the port the app runs on EXPOSE 3000 # Start the application CMD ["npm", "start"]