# Use an official Node.js runtime as a parent image FROM node:18-alpine # Set the working directory in the container WORKDIR /usr/src/app # Copy package.json and package-lock.json to the working directory COPY package*.json ./ # Install any needed packages RUN npm install # Bundle app source COPY . . # Build optimized frontend assets RUN npm run build # Make port 3050 available to the world outside this container EXPOSE 3050 # Define the command to run the app CMD [ "node", "server.js" ]