# Stage 1: Build stage FROM node:16 AS builder # Set the working directory in the builder stage WORKDIR /usr/src/app # Copy the package.json and package-lock.json files to the builder stage COPY package*.json ./ # Install npm dependencies in the builder stage RUN npm install # Copy the rest of the application code to the builder stage COPY . . # Stage 2: Production stage FROM node:16-alpine # Set the working directory in the production stage WORKDIR /usr/src/app # Copy the built artifacts from the builder stage to the production stage COPY --from=builder /usr/src/app . # Command to run the application in the production stage CMD ["node", "index.js"]