diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 8b13789..aef1113 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1 +1,10 @@
+# datasource
+spring.datasource.driver-class-name=org.h2.Driver
+spring.datasource.url=jdbc:h2:mem:sampledb
+spring.datasource.username=sa
+spring.datasource.password=sa
 
+# h2 for debug tool
+spring.h2.console.enabled=true
+spring.h2.console.path=/h2-console
+spring.h2.console.settings.web-allow-others=true
\ No newline at end of file