configure stacktrace output in error case

goofy-server/src/main/resources/application-dev.yml

@@ -5,3 +5,7 @@ keycloak:
   auth-server-url: https://sso.dev.ozg-sh.de/auth
   realm: sh-kiel-dev
   resource: sh-kiel-dev-goofy
+
+server:
+  error:
+    include-stacktrace: always
\ No newline at end of file

goofy-server/src/main/resources/application-local.yml

@@ -10,3 +10,7 @@ keycloak:
   auth-server-url: http://localhost:8088/auth
   realm: sh-kiel-dev
   resource: sh-kiel-dev-goofy
+
+server:
+  error:
+    include-stacktrace: always
\ No newline at end of file

goofy-server/src/main/resources/application.yml

@@ -22,6 +22,8 @@ spring:
 server:
   http2:
     enabled: true
+  error:
+    include-stacktrace: never
     
 management:
   server: