use full storage path not path to volumes

firefoxsync/docker-compose.yaml

@@ -3,7 +3,7 @@ services:
   syncserver:
     image: mozilla/syncserver:latest
     volumes:
-      - ${VOLUMES_PATH}/firefoxsync/syncserver:/data
+      - ${STORAGE_PATH}/syncserver:/data
     user: ${UID}:${GID}
     networks:
       - web
@@ -38,7 +38,7 @@ services:
     networks:
       - firefoxsync
     volumes:
-      - ${VOLUMES_PATH}/firefoxsync/db:/var/lib/postgresql/data
+      - ${STORAGE_PATH}/db:/var/lib/postgresql/data
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER}"]
       interval: 10s