changes step to run this app using the docker-compose linux: 1 . sudo docker-compose up (to up the container) 2 . sudo docker-compose down (to stop or down the container)

======================================================================================= // Dockerfile (basic image)

choose base image to build off of

FROM node:14.18.3-alpine

WORKDIR /app

COPY package.json ./

RUN npm install -g npm@latest-7;
npm install -g @angular/cli@v11-lts;
npm install;

COPY . . EXPOSE 4200

Invoke app server.

CMD npm run ng serve -- --open --host 0.0.0.0 --port 4200 --poll 500

// docker-compose.yml version: "3.5" services: firstapp: build: . ports: - "8000:4200" command: sh -c " ng serve --host 0.0.0.0" volumes: - "/app/node_modules" - ".:/app"

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