steps

NodeTs deploy heroku

Procfile:
web: npm start


package.json:
"start": "node /dist/project/abc.js"
"build": "tsc"
"dependencies":[
..
"tslint": "x.x.xx",
..
]


gitlab-ci.yml:
stages:
- deploy

Heroku Deploy:
  image: node:latest
  before_script:
    - apt-get update -qy
    - apt-get install -y ruby-dev
    - gem install dpl
  stage: deploy
  image: ruby:latest
  script:
    - dpl --provider=heroku --app=$HEROKU_APP_PRODUCTION --api-key=$HEROKU_API_KEY
  environment:
    name: Develop Environment
    url: https://sw1-back.herokuapp.com
  only:
    - develop



server.ts:
// @ts-ignore
app.listen(process.env.PORT || port, () => {
    console.log(`Backend Services NodeJs is listening at port:${port}`);
});