docs: create readme adoc and update port

Signed-off-by: Otavio Santana <[email protected]>

Author: otaviojava

README.adoc

@@ -18,31 +18,31 @@ Basic:
 
 [source,bash]
 ----
-curl -X GET http://localhost:8080/simple-greet
+curl -X GET http://localhost:8181/simple-greet
 Hello World!
 ----
 
 JSON:
 
 [source,bash]
 ----
-curl -X GET http://localhost:8080/greet
+curl -X GET http://localhost:8181/greet
 {"message":"Hello World!"}
 
-curl -X GET http://localhost:8080/greet/Joe
+curl -X GET http://localhost:8181/greet/Joe
 {"message":"Hello Joe!"}
 
-curl -X PUT -H "Content-Type: application/json" -d '{"greeting" : "Hola"}' http://localhost:8080/greet/greeting
+curl -X PUT -H "Content-Type: application/json" -d '{"greeting" : "Hola"}' http://localhost:8181/greet/greeting
 
-curl -X GET http://localhost:8080/greet/Jose
+curl -X GET http://localhost:8181/greet/Jose
 {"message":"Hola Jose!"}
 ----
 
 == Try health
 
 [source,bash]
 ----
-curl -s -X GET http://localhost:8080/health
+curl -s -X GET http://localhost:8181/health
 {"outcome":"UP",...
 ----
 
@@ -67,12 +67,12 @@ project generation phase.
 [source,bash]
 ----
 # Prometheus Format
-curl -s -X GET http://localhost:8080/metrics
+curl -s -X GET http://localhost:8181/metrics
 # TYPE base:gc_g1_young_generation_count gauge
 . . .
 
 # JSON Format
-curl -H 'Accept: application/json' -X GET http://localhost:8080/metrics
+curl -H 'Accept: application/json' -X GET http://localhost:8181/metrics
 {"base":...
 . . .
 ----
@@ -88,7 +88,7 @@ docker build -t intro-helidon-mongodb .
 
 [source,bash]
 ----
-docker run --rm -p 8080:8080 intro-helidon-mongodb:latest
+docker run --rm -p 8181:8181 intro-helidon-mongodb:latest
 ----
 
 Exercise the application as described above.
@@ -112,7 +112,7 @@ kubectl get pods                            # Verify connectivity to cluster
 kubectl create -f app.yaml                              # Deploy application
 kubectl get pods                                        # Wait for quickstart pod to be RUNNING
 kubectl get service intro-helidon-mongodb               # Get service info
-kubectl port-forward service/intro-helidon-mongodb 8081:8080   # Forward service port to 8081
+kubectl port-forward service/intro-helidon-mongodb 8081:8181   # Forward service port to 8081
 ----
 
 You can now exercise the application as you did before but use the port number 8081.