Dockerfile
FROM node:lts-slim # switch userUSER node # Create app directoryWORKDIR /home/node # Install app dependencies & setupCOPY --chown=node:node package*.json ./RUN npm install --productionCOPY --chown=node:node . . # ExposeEXPOSE 3000 4200 # Command to runCMD [ "node", "server.js" ]