[improve] Added a sample for configuring the excluded classes

Author: bogdansolga

d02/d02s02/d02s02e01-properties-files/src/main/resources/application.properties

@@ -7,4 +7,8 @@ logging.level.org.springframework=warn
 logging.pattern.console=%clr([%date{HH:mm:ss.SSS}]){faint} %clr(%2p) %clr(%-40.40logger{36}){cyan} %m%n%wex
 
 # defining a custom property
-connection.timeout=5000
+connection.timeout=5000
+
+spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration,\
+  org.springframework.boot.autoconfigure.cache.CacheAutoConfiguration,\
+  org.springframework.boot.autoconfigure.data.elasticsearch.ElasticsearchAutoConfiguration

d02/d02s02/d02s02e02-yaml-files/src/main/resources/application.yml

@@ -3,6 +3,12 @@ spring:
   application:
     name: spring-boot-yaml-usage-demo
 
+  autoconfigure:
+    exclude:
+      - org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration
+      - org.springframework.boot.autoconfigure.cache.CacheAutoConfiguration
+      - org.springframework.boot.autoconfigure.data.elasticsearch.ElasticsearchAutoConfiguration
+
 # logging settings
 logging:
   level: