Spring Cloud Tracing Demo Fixes (#188)

* Spring Cloud Tracing Demo Fixes

* Update docker-compose.yml

spring-cloud/tracing/customer-service/src/main/java/com/example/demo/Controller.java

@@ -27,9 +27,7 @@ public class Controller {
     customer.setId(customerId);
     customer.setName(NAMES.get((int) customerId));
 
-    throw new IllegalStateException("BWAAAH!");
-
-//    return new ResponseEntity<>(customer, HttpStatus.OK);
+    return new ResponseEntity<>(customer, HttpStatus.OK);
   }
 
   @GetMapping(path = "addresses/{id}")

spring-cloud/tracing/docker-compose.yml

@@ -12,7 +12,7 @@ services:
     build: ./customer-service/
     image: customer-service:latest
     ports:
-      - "8081:8081"
+      - "8081"
 
   collector:
     image: logzio/otel-collector-traces