Add service discovery and health fixes: configure Consul registration, update health-check paths and ports, expand scanBasePackages, and ensure consistent service startup across modules.

backend/services/identity/identity-service/build.gradle.kts

@@ -22,6 +22,8 @@ dependencies {
   implementation(libs.spring.boot.starter.validation)
   implementation(libs.spring.boot.starter.security)
   implementation(libs.spring.boot.starter.oauth2.resource.server)
+  implementation(libs.spring.boot.starter.actuator)
+  implementation(libs.spring.cloud.starter.consul.discovery)
 
   implementation(libs.exposed.core)
   implementation(libs.exposed.jdbc)

backend/services/identity/identity-service/src/main/resources/application.yaml

@@ -0,0 +1,35 @@
+server:
+  port: ${SERVER_PORT:${IDENTITY_SERVICE_PORT:8088}}
+
+spring:
+  application:
+    name: identity-service
+  datasource:
+    url: ${SPRING_DATASOURCE_URL:jdbc:postgresql://localhost:5432/pg-meldestelle-db}
+    username: ${SPRING_DATASOURCE_USERNAME:pg-user}
+    password: ${SPRING_DATASOURCE_PASSWORD:pg-password}
+  cloud:
+    consul:
+      host: ${CONSUL_HOST:localhost}
+      port: ${CONSUL_PORT:8500}
+      discovery:
+        enabled: true
+        register: true
+        prefer-ip-address: true
+        health-check-path: /actuator/health
+        health-check-interval: 10s
+  security:
+    oauth2:
+      resourceserver:
+        jwt:
+          issuer-uri: ${SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_ISSUER_URI:http://localhost:8180/realms/meldestelle}
+          jwk-set-uri: ${SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_JWK_SET_URI:http://localhost:8180/realms/meldestelle/protocol/openid-connect/certs}
+
+management:
+  endpoints:
+    web:
+      exposure:
+        include: health,info,metrics,prometheus
+  endpoint:
+    health:
+      show-details: always