How to install and setup Postgres environment on Mac

To install the Postgre on Mac OS X:

1. Download
   Go to the Enterprise website and download the installer for the version you want to download.
2. Launch
   Run the downloaded dmg package as root. The following screen will appear. Click the Next button:

3. Select the location and components
   Choose the directory where you wish to install the folder and select the tools you want to install. You must install the PostgreSQL server and command line, and you may choose to install Stack Builder or pgAdmin 4 if needed. Then, click Next.

pgAdmin 4 provides a GUI that manages the server and database. Stack builder may be used to download and install additional tools, drivers, and apps.

4. Data Directory
   Select where you want to set the Postgres cluster’s Data Directory, and click Next.

5. Set the superuser password
   On this screen, you will set the password for the Postgres Unix superuser. Choose a strong password and click Next.

6. Selecting the port number
   You will be asked to select a port for SQL to run on – make sure this is opened from your firewall. Do not use any of the reserved port numbers, such as port 80.

7. Select the language and review
   Select the language (locale) and review the installation. If you are unsure, select en_US.UTF-8 and click Next to install.

8. Confirm installation
   Open the Terminal and type the following to review that the installation has been completed successfully.

ps -ef | grep postgres