[Demo] Update diagram (#5678)

Co-authored-by: Mikko Viitanen <[email protected]>

Author: julianocosta89

content/en/docs/demo/architecture.md

@@ -14,12 +14,13 @@ graph TD
 subgraph Service Diagram
 accountingservice(Accounting Service):::dotnet
 adservice(Ad Service):::java
-cache[(Cache<br/>&#40redis&#41)]
+cache[(Cache<br/>&#40Valkey&#41)]
 cartservice(Cart Service):::dotnet
 checkoutservice(Checkout Service):::golang
 currencyservice(Currency Service):::cpp
 emailservice(Email Service):::ruby
-flagd(Flagd-ui):::typescript
+flagd(Flagd):::golang
+flagdui(Flagd-ui):::typescript
 frauddetectionservice(Fraud Detection Service):::kotlin
 frontend(Frontend):::typescript
 frontendproxy(Frontend Proxy <br/>&#40Envoy&#41):::cpp
@@ -30,40 +31,52 @@ productcatalogservice(Product Catalog Service):::golang
 quoteservice(Quote Service):::php
 recommendationservice(Recommendation Service):::python
 shippingservice(Shipping Service):::rust
-queue[(queue<br/>&#40Kafka&#41)]
+queue[(queue<br/>&#40Kafka&#41)]:::java
 
-Internet -->|HTTP| frontendproxy
-frontendproxy -->|HTTP| frontend
-frontendproxy -->|HTTP| flagd
-loadgenerator -->|HTTP| frontendproxy
-frontendproxy -->|HTTP| imageprovider
+adservice ---->|gRPC| flagd
 
-queue -->|TCP| accountingservice
-queue -->|TCP| frauddetectionservice
-
-frontend -->|gRPC| cartservice
-frontend -->|gRPC| currencyservice
+checkoutservice -->|gRPC| cartservice
+checkoutservice --->|TCP| queue
+cartservice --> cache
+cartservice -->|gRPC| flagd
 
-checkoutservice -->|gRPC| cartservice --> cache
-checkoutservice -->|gRPC| productcatalogservice
-checkoutservice -->|gRPC| currencyservice
-checkoutservice -->|HTTP| emailservice
-checkoutservice -->|gRPC| paymentservice
 checkoutservice -->|gRPC| shippingservice
-checkoutservice -->|TCP| queue
+checkoutservice -->|gRPC| paymentservice
+checkoutservice --->|HTTP| emailservice
+checkoutservice -->|gRPC| currencyservice
+checkoutservice -->|gRPC| productcatalogservice
+
+frauddetectionservice -->|gRPC| flagd
 
 frontend -->|gRPC| adservice
+frontend -->|gRPC| cartservice
+frontend -->|gRPC| checkoutservice
+frontend ---->|gRPC| currencyservice
+frontend ---->|gRPC| recommendationservice
 frontend -->|gRPC| productcatalogservice
-frontend --->|gRPC| checkoutservice
-frontend ---->|gRPC| recommendationservice -->|gRPC| productcatalogservice
 
-shippingservice -->|HTTP| quoteservice
+frontendproxy -->|gRPC| flagd
+frontendproxy -->|HTTP| frontend
+frontendproxy -->|HTTP| flagdui
+frontendproxy -->|HTTP| imageprovider
+
+Internet -->|HTTP| frontendproxy
+
+loadgenerator -->|HTTP| frontendproxy
+
+paymentservice -->|gRPC| flagd
 
+queue -->|TCP| accountingservice
+queue -->|TCP| frauddetectionservice
+
+recommendationservice -->|gRPC| productcatalogservice
+recommendationservice -->|gRPC| flagd
+
+shippingservice -->|HTTP| quoteservice
 end
 
 classDef dotnet fill:#178600,color:white;
 classDef cpp fill:#f34b7d,color:white;
-classDef erlang fill:#b83998,color:white;
 classDef golang fill:#00add8,color:black;
 classDef java fill:#b07219,color:white;
 classDef javascript fill:#f1e05a,color:black;
@@ -80,7 +93,6 @@ graph TD
 subgraph Service Legend
   dotnetsvc(.NET):::dotnet
   cppsvc(C++):::cpp
-  erlangsvc(Erlang/Elixir):::erlang
   golangsvc(Go):::golang
   javasvc(Java):::java
   javascriptsvc(JavaScript):::javascript
@@ -94,7 +106,6 @@ end
 
 classDef dotnet fill:#178600,color:white;
 classDef cpp fill:#f34b7d,color:white;
-classDef erlang fill:#b83998,color:white;
 classDef golang fill:#00add8,color:black;
 classDef java fill:#b07219,color:white;
 classDef javascript fill:#f1e05a,color:black;