feat: add actuator and Consul discovery to rag-service

rag-service/src/main/resources/application.properties

@@ -5,11 +5,21 @@ spring.ai.openai.base-url=${SPRING_AI_OPENAI_BASE_URL:https://api.groq.com/opena
 spring.ai.openai.api-key=${SPRING_AI_OPENAI_API_KEY:}
 spring.ai.openai.chat.model=${SPRING_AI_OPENAI_CHAT_MODEL:llama-3.3-70b-versatile}
 
-# --- Embedding model: use local pgvector with a lightweight model ---
-# Groq does not provide an embedding endpoint, so we disable OpenAI embedding auto-config
-# and rely on the pgvector store's existing embedding setup
+# --- Embedding model: local ONNX (Groq has no embedding API) ---
 spring.ai.openai.embedding.enabled=false
 
+# --- Consul service discovery ---
+spring.cloud.consul.host=${SPRING_CLOUD_CONSUL_HOST:localhost}
+spring.cloud.consul.port=${SPRING_CLOUD_CONSUL_PORT:8500}
+spring.cloud.consul.discovery.service-name=rag-service
+spring.cloud.consul.discovery.instance-id=${spring.application.name}-${random.value}
+spring.cloud.consul.discovery.prefer-ip-address=true
+spring.cloud.consul.discovery.health-check-interval=10s
+
+# --- Actuator ---
+management.endpoints.web.exposure.include=health,info
+management.endpoint.health.show-details=always
+
 jwt.secret=${JWT_SECRET:ywfI6dBznYmHbokihB/OBzZz6E0Fj+6PiqrM8dQ5c3t0HeYarblCbOGM8vQtOt472AtQ+MsCH7OVIKHOzjrPsQ==}
 jwt.expiration=103600000
 spring.datasource.url=${SPRING_DATASOURCE_URL:jdbc:postgresql://localhost:5432/ragdb}