How to connect to postgresql using url

Question

I had asked an earlier question which did not get any replies.

Basically I get an error invalid database url when I try to do heroku db:push

Answer 1

according to documentation

postgresql://[user[:password]@][netloc][:port][/dbname][?param1=value1&...]

examples

postgresql://
postgresql://localhost
postgresql://localhost:5432
postgresql://localhost/mydb
postgresql://user@localhost
postgresql://user:secret@localhost
postgresql://other@localhost/otherdb?connect_timeout=10&application_name=myapp
postgresql://localhost/mydb?user=other&password=secret