diff --git a/analytics-service/src/main/resources/application.yml b/analytics-service/src/main/resources/application.yml
index 4cc839c..02c2058 100644
--- a/analytics-service/src/main/resources/application.yml
+++ b/analytics-service/src/main/resources/application.yml
@@ -42,6 +42,7 @@ spring:
         health-check-interval: 15s
         prefer-ip-address: true
         instance-id: ${spring.application.name}:${random.value}
+        deregister-critical-service-after: 1m
 
 analytics:
   kafka:
diff --git a/gateway-service/src/main/resources/application.yml b/gateway-service/src/main/resources/application.yml
index 71ef95e..b06a24e 100644
--- a/gateway-service/src/main/resources/application.yml
+++ b/gateway-service/src/main/resources/application.yml
@@ -22,6 +22,12 @@ spring:
             client-id: ${FACEBOOK_CLIENT_ID:}
             client-secret: ${FACEBOOK_CLIENT_SECRET:}
             scope: email,public_profile
+        provider:
+          facebook:
+            authorization-uri: https://www.facebook.com/v21.0/dialog/oauth
+            token-uri: https://graph.facebook.com/v21.0/oauth/access_token
+            user-info-uri: https://graph.facebook.com/v21.0/me?fields=id,name,email
+
 
   # ---- R2DBC (reactive DB) ----
   r2dbc:
@@ -44,6 +50,7 @@ spring:
         health-check-interval: 15s
         prefer-ip-address: true
         instance-id: ${spring.application.name}:${random.value}
+        deregister-critical-service-after: 1m
 
     gateway:
       server:
diff --git a/rag-service/src/main/resources/application.properties b/rag-service/src/main/resources/application.properties
index 91b6e94..4014b93 100644
--- a/rag-service/src/main/resources/application.properties
+++ b/rag-service/src/main/resources/application.properties
@@ -17,7 +17,8 @@ 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
+spring.cloud.consul.discovery.health-check-interval=15s
+spring.cloud.consul.discovery.deregister-critical-service-after=1m
 
 # --- Actuator ---
 management.endpoints.web.exposure.include=health,info