Heroku Postgresql upgrade

ip.sh

1) Check your database name

heroku pg:info --app incartupsell | grep HEROKU

HEROKU_POSTGRESQL_GREEN_URL

1) Provision a Follower

heroku addons:create heroku-postgresql:standard-2 --follow HEROKU_POSTGRESQL_GREEN_URL --app incartupsell

heroku pg:wait --app incartupsell

heroku pg:info --app incartupsell

2) Enter maintenance mode

heroku maintenance:on --app incartupsell

3) Upgrade the follower

heroku pg:upgrade HEROKU_POSTGRESQL_AMBER --version 11 --app incartupsell

heroku pg:wait --app incartupsell

4) Promote the new database

heroku pg:promote HEROKU_POSTGRESQL_AMBER --app incartupsell

5) Exit maintenance mode

heroku maintenance:off --app incartupsell