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

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

backend/services/series/series-service/src/main/kotlin/at/mocode/series/service/SeriesServiceApplication.kt

@@ -3,14 +3,33 @@ package at.mocode.series.service
 import at.mocode.series.service.application.SeriesService
 import at.mocode.series.service.domain.Serie
 import at.mocode.series.service.domain.SeriePunkt
+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.cloud.client.discovery.EnableDiscoveryClient
+import org.springframework.context.event.EventListener
+import org.springframework.core.env.Environment
 import org.springframework.web.bind.annotation.*
 
 @SpringBootApplication
 @EnableDiscoveryClient
-class SeriesServiceApplication
+class SeriesServiceApplication(private val env: Environment) {
+
+  private val log = LoggerFactory.getLogger(SeriesServiceApplication::class.java)
+
+  @EventListener(ApplicationReadyEvent::class)
+  fun onApplicationReady() {
+    val springPort = env.getProperty("server.port", "8089")
+    val appName = env.getProperty("spring.application.name", "series-service")
+
+    log.info("----------------------------------------------------------")
+    log.info("Application '{}' is running!", appName)
+    log.info("Spring Management Port: {}", springPort)
+    log.info("Profiles:               {}", env.activeProfiles.joinToString(", "))
+    log.info("----------------------------------------------------------")
+  }
+}
 
 fun main(args: Array<String>) {
     runApplication<SeriesServiceApplication>(*args)