How to set environment variables on Heroku for Node app and connect to the PostgreSQL database?

How to set environment variables on Heroku for Node app and connect to the PostgreSQL database?

node.js heroku environment-variables config

heroku

How to deploy heroku app with secret yaml configuration file without committing the file?

deployment heroku yaml config

heroku

Sinatra error (bundler: failed to load command: rackup)

heroku sinatra config procfile rackup

heroku

Setting the $PORT variable on heroku

networking heroku tcp port config

heroku

Heroku Error: Cannot find module './config/keys'

node.js heroku config

heroku

BUNDLE_WITHOUT is not applied when deploying app on Heroku

heroku config

heroku

What do I set ENV["WEB_CONCURRENCY"] to when using heroku and sidekiq

ruby-on-rails heroku config unicorn proc

heroku

Impossible to access Heroku config vars from python code

python django heroku config

heroku

How to get access to heroku config variables in C# code (asp.net)?

c# heroku config

heroku

Heroku Config Variables - Are they visible via process.env in Vue.js?

vue.js heroku config constants production

heroku

Should Heroku's HOST_URL var be configured to match the domain name?

url heroku config

heroku

Config variables not visible as environment variables in Heroku app

heroku clojure environment-variables config

heroku