heroku apps:create <new instance name>
git remote add <remote name> <new url>
git push <remote name>
heroku addons:add heroku-postgresql:hobby-dev --app <new instance name>
heroku addons:add pgbackups --app <new instance name>
heroku run rake db:setup --app <new instance name>
heroku pgbackups:capture --app <original instance name>
heroku pgbackups:restore <new instance postgres url> `heroku pgbackups:url <backup id> --app <old instance>` --app <new instance>
Get database info for new and old instances:
heroku pg:info --app <name>