Update readme service graph for Feature Flag Service (#321)

* update ffs graph routes

* clean up ffs graph definition

README.md

@@ -25,7 +25,6 @@ This repo is a work in progress. If you'd like to help, check out our
 - [Requirements](./docs/requirements/README.md)
 - [Service Roles](./docs/service_table.md)
 - [Trace Feature Coverage by Service](./docs/trace_service_features.md)
-- [v1 Architecture](./docs/v1_graph.md)
 
 ## Architecture
 
@@ -49,6 +48,8 @@ paymentservice(Payment Service):::javascript
 productcatalogservice(ProductCatalog Service):::golang
 recommendationservice(Recommendation Service):::python
 shippingservice(Shipping Service):::rust
+featureflagservice(Feature Flag Service):::erlang
+featureflagstore[(Feature Flag Store<br/>&#40PostgreSQL DB&#41)]
 
 Internet -->|HTTP| frontend
 loadgenerator -->|HTTP| frontend
@@ -59,7 +60,6 @@ checkoutservice --> currencyservice
 checkoutservice --> emailservice
 checkoutservice --> paymentservice
 checkoutservice --> shippingservice
-checkoutservice --> |evalFlag| featureflagbeservice
 
 frontend --> adservice
 frontend --> cartservice
@@ -68,15 +68,12 @@ frontend --> checkoutservice
 frontend --> currencyservice
 frontend --> recommendationservice --> productcatalogservice
 frontend --> shippingservice
-frontend --> |evalFlag| featureflagbeservice
 
-productcatalogservice --> |evalFlag| featureflagbeservice
+productcatalogservice --> |evalFlag| featureflagservice
 
-featureflagbeservice(Flag Server):::erlang
-featureflagfeservice(Flag UI/API):::erlang
-featureflagstore[(Flag Store<br/>&#40PostgreSQL DB&#41)]
+shippingservice --> |evalFlag| featureflagservice
 
-featureflagfeservice --> featureflagbeservice --> featureflagstore
+featureflagservice --> featureflagstore
 
 end
 classDef java fill:#b07219,color:white;
@@ -117,8 +114,6 @@ classDef erlang fill:#b83998,color:white;
 classDef php fill:#4f5d95,color:white;
 ```
 
-_To view a graph of the desired state of this application [click here](./docs/v1_graph.md)_
-
 Find the **Protocol Buffer Definitions** in the `/pb/` directory.
 
 ## Features

docs/requirements/architecture_requirements.md

@@ -27,7 +27,7 @@ demonstrates the features and capabilities of OTel APIs, SDKs, and tools.
 features/concepts 'in the wild'.
 
 The following is a general description of the logical components of the demo
-application. The future architecture is visualized [here](../v1_graph.md).
+application.
 
 ## Main Application
 

docs/service_table.md

@@ -1,6 +1,6 @@
 # Service Roles
 
-View [Service Graph](./v1_graph.md) to visualize request flow.
+View [Service Graph](../README.md#architecture) to visualize request flows.
 
 | Service                                                         | Language        | Description                                                                                                                                  |
 |-----------------------------------------------------------------|-----------------|----------------------------------------------------------------------------------------------------------------------------------------------|