Fix MongoDB Connection

sth-backend/src/main/java/hdm/mi/sthbackend/SthBackendApplication.java

 package hdm.mi.sthbackend;
 
+import hdm.mi.sthbackend.model.Match;
+import hdm.mi.sthbackend.model.Player;
+import hdm.mi.sthbackend.repository.IPlayerRepository;
 import hdm.mi.sthbackend.repository.ITournamentRepository;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
 import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.ArrayList;
+import java.util.UUID;
 import java.util.logging.Logger;
 
 @SpringBootApplication(exclude = {org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration.class})
@@ -16,9 +23,27 @@ public class SthBackendApplication {
 
 	@Autowired
 	ITournamentRepository tournamentRepository;
+	@Autowired
+	IPlayerRepository playerRepository;
 
 	public static void main(String[] args) {
 		SpringApplication.run(SthBackendApplication.class, args);
 
 	}
+
+	@Bean
+	public CommandLineRunner demo() {
+		return args -> {
+			// Create SimpleObject instances
+			Player player = new Player( UUID.randomUUID(), "Name"	);
+
+			// Insert objects into MongoDB using insert
+
+			playerRepository.save( player );
+
+			// Retrieve and print all objects from MongoDB
+
+			playerRepository.findAll().forEach(System.out::println);
+		};
+	}
 }

sth-backend/src/main/java/hdm/mi/sthbackend/repository/IPlayerRepository.java

+package hdm.mi.sthbackend.repository;
+
+import hdm.mi.sthbackend.model.Player;
+import hdm.mi.sthbackend.model.Tournament;
+import org.springframework.data.mongodb.repository.MongoRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.UUID;
+
+@Repository
+public interface IPlayerRepository extends MongoRepository<Player, UUID> {
+
+}

sth-backend/src/main/resources/application.yaml

@@ -5,4 +5,5 @@ spring:
       port: 27018
       database: tournament-hub
       authentication-database: admin
-      uri: mongodb://alhb:asdasd123@localhost:27018/tournament-hub
+      username: alhb
+      password: asdasd123