헬스체크 추가

docker/docker-compose.deploy.yaml

@@ -20,6 +20,12 @@ services:
       - "${BACKEND_PORT:-3000}:3000"
     depends_on:
       - infra_check
+    healthcheck:
+      test: ["CMD", "wget", "-qO-", "http://127.0.0.1:3000/health"]
+      interval: 10s
+      timeout: 5s
+      retries: 3
+      start_period: 10s
     networks:
       - baron_net
 
@@ -30,7 +36,8 @@ services:
     ports:
       - "${FRONTEND_PORT:-80}:80"
     depends_on:
-      - backend
+      backend:
+        condition: service_healthy
     networks:
       - baron_net