The official documentation describes a plethora of information on installation and utilization of Postgres. There is a Postgres community which provides many insights to be well-versed with the technology, study how it functions, and find career paths.

The Postgres database has many features that are directed towards building robust applications, protecting data integrity, and creating environments with fault tolerance. Manage your data irrespective of the size of your dataset. 

Key features available in Postgres on Azure:

• Cross-platform operability including 
• Supports text, images, sound and video
• Includes programming interfaces for C/C++, Java, Ruby, Python, Tcl, Perl, ODBC
• Supports SQL-like features including complex SQL queries, SQL sub-selects, foreign keys, streaming replication, hot standby.
• Inherit characteristics from "parent" table
• Extensible to install additional functionality with extensions
• Open-source as well as paid tools

Disclaimer: Apps4Rent does not offer commercial licenses of any of the products mentioned above. The products come with open source licenses. 

Default ports: 

• SSH: 22
• PotgreSQL: 5432