ci cd firebase angular code example

Example: firebase ci cd angular

image: node:latestbuild:    stage: buildcache:    paths:        - node_modules/        script:- npm install --quiet- npm run build-prodartifacts:    paths:        - dist/        test:stage: testcache:    policy: pullpaths:    - node_modules/    script:# install dependencies to use chrome w/ puppeteer- apt update && apt install -yq gconf-service libasound2 libatk1.0-0 libc6 libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1 libgcc1 libgconf-2-4 libgdk-pixbuf2.0-0 libglib2.0-0 libgtk-3-0 libnspr4 libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 libxtst6 ca-certificates fonts-liberation libappindicator1 libnss3 lsb-release xdg-utils wget- npm run test-ci- npm run e2e-cideploy_prod:    stage: deployenvironment:    name: productionurl: $FIREBASE_URLonly:    - masterdependencies:    - buildcache:    policy: pullpaths:    - node_modules/    script:- npm run deploy