PostgreSQL is a well-known relational DBMS that provides a variety of features, such as built-in or user-defined functions, operators, data types, and many more. It is capable of running on numerous platforms, including Windows, Docker, and Linux. Moreover, users can also use PostgreSQL in Docker to easily create and manage the PostgreSQL database without installing it on the local host machine.

docker pull postgres

Executing the above-stated command will download the latest version of the Postgres image, as shown in the following output snippet.