# PostgreSQL Flexible Server
## Prerequisites
### Create a PostgreSQL Flexible Server subnet in the Infrastructure
1. Navigate to **Administrator** -> **Infrastructure** from the DuploCloud Portal.
2. From the **NAME** column, select the Infrastructure.
3. Select the **Subnets** tab, and click **Add**. The **Add Subnet** pane displays.
The Add Subnet pane in the DuploCloud Portal
4. Enter a name for the subnet in the **Name** field.
5. Enter the **Address Prefix** for the subnet.
6. From the **Type** list box, select **PostgreSQL Flexi Server**.
7. In the **Isolated Network** list box, select **Yes** or **No**.
8. Select the appropriate endpoints from the **Service Endpoints** list box.
9. Click **Add**. The subnet is added.
## Creating a PostgreSQL Flexible Server database
1. From the DuploCloud Portal, navigate to **Cloud Services** -> **Database** -> **PostgreSQL Flexible**.
2. Click **Add**. The **Create PostgreSQL Flexible Instance** page displays.
The Create PostgreSQL Flexible Instance page
3. Complete the required fields.
4. From the **Subnet** list box, select the **PostgreSQL Flexi Server** subnet previously created.
5. Click **Submit**. The PostgreSQL Flexible Server database is created.
## Viewing a PostgreSQL Flexible Server database
From the DuploCloud Portal, navigate to **Cloud Services** -> **Databases** -> **PostgreSQL Flexible**, and click on the PostgreSQL Flexible Server database in the **NAME** column. Use the **Overview** and **Details** tabs to view database info.
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