Postgres Vector DB Integration doc

docs/integrations/vector-databases/postgres-vector-database.md

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+# Integrating with Postgres Vector Database in Orkes Conductor
+
+To effectively utilize AI and LLM tasks in Orkes Conductor, it's essential to integrate your Conductor cluster with the necessary Vector Database models. 
+
+PGvector is a popular open-source extension for PostgreSQL known for its efficiency and versatility in handling large-scale vector data. This integration empowers you to access, query, and manipulate vector data effectively, enhancing the capabilities of Orkes Conductor in various natural language processing and artificial intelligence applications. 
+
+This guide will provide the steps for integrating Postgres as a Vector Database with Orkes Conductor.
+
+## Steps to integrate with Postgres Database
+
+Before beginning to integrate with Postgres, you need to get specific configuration parameters from Postgres, such as database username, password, and URL. Now, let’s integrate this with Orkes Conductor.
+
+1. Navigate to **Integrations** from the left menu on your Orkes Conductor console.
+2. Click **+New integration** button from the top-right of your window.
+3. Under the **Vector Databases** section, choose **Postgres Vector Database**. 
+4. Click **+Add** and provide the following parameters:
+
+<p align="center"><img src="/content/img/create-new-postgres-integration.png" alt="Create Postgres Integration" width="40%" height="auto"></img></p>
+
+| Parameters | Description |
+| ---------- | ----------- | 
+| Integration name | Provide a name for the integration. |
+| Postgres Database User | Provide the database username. |
+| Postgres Database Password | Provide the password associated with the database username. |
+| Postgres Database URL | Provide the database URL.<br/><br/>**Note**: To use this integration for JDBC tasks, ensure that you provide the JDBC connection string in the format: **jdbc:database://url/databaseName**. |
+| Embedding dimensions | Provide the number of dimensions in the embeddings. The embedding dimensions often depend on the AI model used to generate the embeddings. |
+| Distance metric | Choose the distance metric, which is a metric to measure the similarity or distance between vectors. Supported values:<ul><li>Cosine Similarity</li><li>Euclidean Distance</li><li>Inner Product</li></ul> |
+| Indexing method | Choose the indexing method. Supported methods:<ul><li>hnsv - Hierarchical Navigable Small World graphs</li><li>ivfflat - Inverted File Flat</li></ul> |
+| Number of inverted lists to create for ivfflat index | The number of inverted lists to create when using the **_ivfflat_** indexing method. This parameter is only relevant if **_ivfflat_** is chosen as the indexing method. |
+| Description | Provide a description of your integration. |
+
+5. You can toggle-on the **Active** button to activate the integration instantly.
+6. Click **Save**.
+
+## Adding Indexes to Postgres Integration
+
+Now that you have integrated your Conductor console with the Postgres provider, the next step is to integrate with the specific indexes. 
+
+To add a new index to the Postgres integration:
+
+1. Navigate to the integrations page and click the '+' button next to the integration you created.
+
+<p align="center"><img src="/content/img/create-new-pgvector-integration-index.png" alt="Create Indexes for Postgres Integration" width="100%" height="auto"></img></p>
+
+2. Click **+New Index**.
+3. Provide the index name and an optional description.
+
+<p align="center"><img src="/content/img/create-new-postgres-integration-index-model.png" alt="Create Indexes for Postgres Integration Model" width="60%" height="auto"></img></p>
+
+4. Turn on the **Active** button to enable the model immediately.
+5. Click **Save**.
+
+This ensures the integration model is saved for future use in LLM tasks within Orkes Conductor.
+
+## RBAC - Governance on who can use Integrations
+
+The integration with the required models is now ready. Next, we should determine the access control to these models. 
+
+The permission can be granted to applications/groups within the Orkes Conductor console. 
+
+To provide explicit permission to Groups:
+
+1. Navigate to **Access Control > Groups** from the left menu on your Orkes Conductor console.
+2. Create a new group or choose an existing group.
+3. Under the **Permissions** section, click **+Add Permission**.
+4. Under the **Integrations** tab, select the required integrations with the required permissions. 
+
+<p align="center"><img src="/content/img/add-integration-permission-for-postgresvector-db.png" alt="Add Permissions for Postgres Vector Database Integration" width="60%" height="auto"></img></p>
+
+5. Click **Add Permissions**. This ensures that all the group members can access these integration models in their workflows. 
+
+Similarly, you can also provide permissions to [applications](https://orkes.io/content/access-control-and-security/applications#configuring-application). 
+
+:::info
+Once the integration is set up and the required access is granted, the integration can be utilized for [JDBC](https://orkes.io/content/reference-docs/system-tasks/jdbc) tasks within Orkes Conductor.
+:::

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