At the completion of this section, you will:

Understand the concept of the Environment Instance in the deployment process
Be able to configure an Environment Instance
Understand the relationship between Environment Instance, Endpoints, Environments and Instances

An Environment Instance is simply an association of a single Environment with a single Instance. During the previous section of the tutorial, the Environments (DEV, QA and PROD) were associated to the Technology Instance (SOA) and this automatically generated three Environment Instance.

Based on the plugin operations that were used in the workflows, a set of Environment Instance scoped properties will be created. These Environment Instance scoped properties provide FlexDeploy with the necessary information to communicate with the WebLogic server in each of the Environments. Generally, the SOA Server host (as an example) will be different between Environments and that needs to be captured by Environment so the deployment is executed on the correct server.

In addition, we will associate an Endpoint to each Environment Instance to setup the base communication to the machine that is running the WebLogic server.

Viewing the current list of Environment Instance is accomplished by selecting Topology from the menu and then selecting Topology Overview from the left menu. You will see a table that has Instances as the rows and Environments as the columns with colored circles representing the Environment Instance. Color coding represents:

RED - no required properties are set and/or the Endpoint is not configured
YELLOW - some of the required properties are set and/or the Endpoint is not configured
GREEN - all required properties are set and the Endpoint is configured

Selecting the RED circle for DEV will display the configurable properties/Endpoint and allows for the configuration of the properties.

Select the Endpoints tab and drag the appropriate Endpoint for this Environment Instance into the center pane. Select the appropriate Resource Types that represent the technology running on this endpoint. Select Save.

At the completion of the DEV Environment Instance, the circle will be green.

Configure the QA Environment Instance with the same steps as before.

Select the Endpoints tab and drag the appropriate Endpoint for this Environment Instance into the center pane. Select the resource types, the select Save.

Configure PROD Environment Instance with the same steps as DEV.

Select the Endpoints tab and drag the appropriate Endpoint for this Environment Instance into the center pane. Select resource types and Save.

The Topology Overview should look like this at the completion of this section.

Completed 6 of 10 Sections	Continue to GIT Instance Creation	Back to SOA Instance Creation

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