Bael 5543 - Running a spring boot app without DB (#12339)

* BAEL-5543 - Running a spring boot app without db

* BAEL-5543 - Adding authentication properties

* BAEL-5543 - Moving to a new module

* BAEL-5543 - Changing test class name

* BAEL-5543 - Reducing Java version

Co-authored-by: Abhinav Pandey <Abhinav2.Pandey@airtel.com>

spring-boot-modules/spring-boot-data-3/src/main/java/com/baeldung/startwithoutdb/StartWithoutDbApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung.startwithoutdb;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class StartWithoutDbApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(StartWithoutDbApplication.class, args);
+    }
+
+}

spring-boot-modules/spring-boot-data-3/src/main/resources/application.properties

@@ -0,0 +1,7 @@
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.datasource.url=jdbc:mysql://localhost:3306/myDb
+spring.datasource.username=root
+spring.datasource.password=root
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
+spring.jpa.hibernate.ddl-auto=none
+spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults=false