diff --git a/docker-compose.yml b/docker-compose.yml
index db4af23..58b634d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -14,8 +14,14 @@ services:
       - PORT=80
       - HOST=0.0.0.0
       - VITE_SITE_ORIGIN=https://teacherpick.kr
+    networks:
+      - proxy
     healthcheck:
       test: ["CMD", "wget", "-qO-", "http://127.0.0.1:80/healthz"]
       interval: 30s
       timeout: 5s
       retries: 3
+
+networks:
+  proxy:
+    external: true