Are there documents/websites that would be useful for a SQL Server DBA to read up on for PostgreSQL? I'm mainly looking for information on server setup/tuning, indexing, views and general use ...

Azure Database for PostgreSQL Flexible Server offers granular database control and flexibility. Explore its features, pricing and more.

Microsoft on Tuesday announced the 'general availability' (GA) commercial release of the Flexible Server deployment option for the Azure Database for PostgreSQL service.