add SpringBoot 2.7.x application

src/main/resources/application.yml

@@ -0,0 +1,11 @@
+spring:
+
+  datasource:
+    driver-class-name: org.postgresql.Driver
+    password: password
+    url: jdbc:postgresql://localhost:5432/postgres
+    username: postgres
+
+  sql:
+    init:
+      mode: never