feat: vereinheitliche Startup-Logs in allen Backend-Services, verbessere Konsistenz und Diagnosemöglichkeiten

Signed-off-by: StefanMoCoAt <stefan.mo.co@gmail.com>

backend/services/entries/entries-service/src/main/kotlin/at/mocode/entries/service/EntriesServiceApplication.kt

@@ -1,9 +1,13 @@
 package at.mocode.entries.service
 
+import org.slf4j.LoggerFactory
 import org.springframework.boot.autoconfigure.SpringBootApplication
+import org.springframework.boot.context.event.ApplicationReadyEvent
 import org.springframework.boot.runApplication
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.EnableAspectJAutoProxy
+import org.springframework.context.event.EventListener
+import org.springframework.core.env.Environment
 import org.springframework.web.servlet.config.annotation.CorsRegistry
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
 
@@ -13,7 +17,21 @@ fun main(args: Array<String>) {
 
 @SpringBootApplication(scanBasePackages = ["at.mocode.entries", "at.mocode.billing", "at.mocode.infrastructure.security"])
 @EnableAspectJAutoProxy
-class EntriesServiceApplication {
+class EntriesServiceApplication(private val env: Environment) {
+
+  private val log = LoggerFactory.getLogger(EntriesServiceApplication::class.java)
+
+  @EventListener(ApplicationReadyEvent::class)
+  fun onApplicationReady() {
+    val springPort = env.getProperty("server.port", "8084")
+    val appName = env.getProperty("spring.application.name", "entries-service")
+
+    log.info("----------------------------------------------------------")
+    log.info("Application '{}' is running!", appName)
+    log.info("Spring Management Port: {}", springPort)
+    log.info("Profiles:               {}", env.activeProfiles.joinToString(", "))
+    log.info("----------------------------------------------------------")
+  }
 
   @Bean
   fun corsConfigurer(): WebMvcConfigurer {