We can manage products and tenants and add require admin portal entries by click on publisher portal.
For PublisherEnvironment, we can Edit Publisher on List of Publisher under Publisher menu.
Click on Edit Publisher and select basic tab and add two rows for environment code DEV,PROD and save.
PublisherDB & PublisherDBModule
PublisherDB: Add PublisherDB, click on new PublisherDb under PublisherDB menu and filled require details.
PublisherDBModule: For PublisherDbModule, clicking on Add New Button and enter Module Name, Database user, Db Password, Database.
Product & Tier
Product: We can Add product. Click on new product under product menu & filled require details.
Tier: For Product Tier, clicking on Add New Button and enter Tier Name and other details.