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@@ -2,12 +2,20 @@
 
 ## Diagrams
 
+- [High-Level Overview (DNS, Networking, ECS, and Data Flow)](#cdp-sirsi-application-high-level-overview-of-dns-networking-ecs-and-data-flow)
+- [ECS and RDS Database Integration](#cdp-sirsi-application-ecs-and-rds-database-integration)
+- [ECS and SQS Queue Integration](#cdp-sirsi-application-ecs-and-sqs-queue-integration)
+
+---
+
 ### CDP-SIRSI Application: High-Level Overview of DNS, Networking, ECS, and Data Flow
 
 This diagram provides an overview of the CDP-SIRSI application’s architecture, covering DNS records, load balancing, ECS services, and database connections. It includes key services and interactions but does not represent the complete implementation details.
 
 ![CDP-SIRSI-HLO-DNS-NET-ECS-DATA](./diagrams/CDP-SIRSI-HLO-DNS-NET-ECS-DATA.png)
 
+---
+
 ### CDP-SIRSI Application: ECS and RDS Database Integration
 
 This diagram illustrates the integration between the ECS cluster and Amazon RDS databases for the CDP-SIRSI application. It shows how various product services within the ECS tasks, such as Authority, Data Sharing, and Organisation tasks, interact with the cdp-sirsi and cdp-sirsi-entity-verification databases. The IAM role: cdp-sirsi-ecs-task is permitted to securely pull credentials from AWS Secrets Manager, which manages the automatic weekly rotation of master database credentials.
@@ -16,6 +24,8 @@ Additionally, the PG Admin Task is a tool used in the non-production environment
 
 ![CDP-SIRSI-ECS-RDS](./diagrams/CDP-SIRSI-ECS-RDS.png)
 
+---
+
 ### CDP-SIRSI Application: ECS and SQS Queue Integration
 
 This diagram illustrates the integration between the ECS cluster and SQS queues for the CDP-SIRSI application. It shows how different services within the ECS tasks, such as Entity Verification and Organisation tasks, interact with both standard and dead-letter FIFO queues. The IAM role: cdp-sirsi-ecs-task is granted access to these SQS queues, allowing secure interaction and message handling. Queue attributes, including deduplication, message retention, and encryption with SSE-SQS, are highlighted to ensure system security and reliable message processing.
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