Add desired service map

README.md

@@ -59,6 +59,8 @@ frontend --> recommendationservice --> productcatalogservice
 frontend --> shippingservice
 ```
 
+_To view a graph of the desired state of this application [click here](./docs/v1Graph.md)_
+
 Find **Protocol Buffers Descriptions** at the [`./pb` directory](./pb/README.md).
 
 | Service                                              | Language      | Description                                                                                                                       |

docs/v1Graph.md

@@ -0,0 +1,93 @@
+# Desired Service Map
+
+This diagram illustrates the desired relationships between services for the v1 work.
+
+```mermaid
+
+graph TD
+
+subgraph Service Diagram
+adservice(Ad Service):::java
+cache[(Cache<br/>&#40redis&#41)]
+cartservice(Cart Service):::dotnet
+checkoutservice(Checkout Service):::golang
+currencyservice(Currency Service):::cpp
+emailservice(Email Service):::ruby
+frontend(Frontend):::golang
+loadgenerator([Load Generator]):::python
+paymentservice(Payment Service):::nodejs
+productcatalogservice(ProductCatalog Service):::golang
+recommendationservice(Recommendation Service):::python
+shippingservice(Shipping Service):::rust
+adminservice(Admin Service):::php
+productstore[(Product Store)]:::db
+
+Internet -->|HTTP| frontend
+loadgenerator -->|HTTP| frontend
+adminservice --> productstore
+
+checkoutservice --> cartservice --> cache
+checkoutservice --> productcatalogservice
+checkoutservice --> currencyservice
+checkoutservice --> emailservice
+checkoutservice --> paymentservice
+checkoutservice --> shippingservice
+checkoutservice --> |evalFlag| featureflagfeservice
+
+frontend --> adservice
+frontend --> cartservice
+frontend --> productcatalogservice
+frontend --> checkoutservice
+frontend --> currencyservice
+frontend --> recommendationservice --> productcatalogservice
+frontend --> shippingservice
+frontend --> |evalFlag| featureflagfeservice
+
+productcatalogservice --> |evalFlag| featureflagfeservice
+productcatalogservice --> productstore
+
+featureflagbeservice(Flag Server):::erlang
+featureflagfeservice(Flag UI/API):::erlang
+featureflagstore[(Flag Store<br/>&#40Blob/DB&#41)]
+
+featureflagfeservice --> featureflagbeservice --> featureflagstore  
+
+end
+classDef java fill:#b07219;
+classDef dotnet fill:#178600;
+classDef golang fill:#00add8;
+classDef cpp fill:#f34b7d;
+classDef ruby fill:#701516;
+classDef python fill:#3572A5;
+classDef nodejs fill:#f1e05a;
+classDef rust fill:#dea584;
+classDef erlang fill:#b83998;
+classDef php fill:#4f5d95;
+```
+
+```mermaid
+graph TD
+subgraph Service Legend
+  javasvc(Java):::java
+  dotnetsvc(.NET):::dotnet
+  golangsvc(Go):::golang
+  cppsvc(C++):::cpp
+  rubysvc(Ruby):::ruby
+  pythonsvc(Python):::python
+  nodesvc(Node.JS):::nodejs
+  rustsvc(Rust):::rust
+  erlangsvc(Erlang/Elixir):::erlang
+  phpsvc(PHP):::php
+end
+
+classDef java fill:#b07219;
+classDef dotnet fill:#178600;
+classDef golang fill:#00add8;
+classDef cpp fill:#f34b7d;
+classDef ruby fill:#701516;
+classDef python fill:#3572A5;
+classDef nodejs fill:#f1e05a;
+classDef rust fill:#dea584;
+classDef erlang fill:#b83998;
+classDef php fill:#4f5d95;
+```