NextCloud: Heroku: Install: Setup S3 Database Bucket(s)
From Gratiel's Wiki
Accessing S3
The first step is to log into AWS. Once logged in, you should see a console, shown below. Select S3
If you have never used S3 before, you will see a dashboard similar to this.
Menu
The following 3 Steps are my recommendation for the proper creation of an S3 bucket system that will be used for Nextcloud on Heroku.

