diff --git a/src/main/resources/application.yaml b/src/main/resources/application.yaml
index 651cd23..8244fa5 100644
--- a/src/main/resources/application.yaml
+++ b/src/main/resources/application.yaml
@@ -22,14 +22,14 @@ server:
 # ============================
 ext:
   opr:
-    base-url: http://localhost:8083/opr-rest-api   # opr-rest-api 주소
+    base-url: http://opr-rest-api:8083/opr-rest-api   # opr-rest-api 주소
     ingest-path: /ext/samsara/inspections/ingest
     internal-token: ${OPR_INTERNAL_TOKEN}
   hcm:
-    base-url: http://localhost:8081/hcm-rest-api
+    base-url: http://hcm-rest-api:8081/hcm-rest-api
     internal-token: ${HCM_INTERNAL_TOKEN}
   acc:
-    base-url: http://localhost:8084/acc-rest-api
+    base-url: http://acc-rest-api:8084/acc-rest-api
     internal-token: ${ACC_INTERNAL_TOKEN}
   samsara:
     base-url: https://api.samsara.com