diff --git a/sync/docker-compose.yml b/sync/docker-compose.yml
index ca7977d..951b61a 100644
--- a/sync/docker-compose.yml
+++ b/sync/docker-compose.yml
@@ -2,11 +2,12 @@ services:
   openclimb-sync:
     image: ${IMAGE}
     ports:
-      - "8080:8080"
+      - ${APP_PORT}:8080
     environment:
-      - AUTH_TOKEN=${AUTH_TOKEN:-your-secret-token-here}
-      - DATA_FILE=/data/climb_data.json
-      - IMAGES_DIR=/data/images
+      - AUTH_TOKEN=${AUTH_TOKEN}
+      - DATA_FILE=${DATA_FILE}
+      - IMAGES_DIR=${IMAGES_DIR}
     volumes:
-      - ./data:/data
+      - ${ROOT_DIR}:/data
     restart: unless-stopped
+networks: {}