chore: Update docker-compose.yml

examples/metube/docker-compose.yml

@@ -5,6 +5,8 @@ services:
     container_name: metube
     hostname: metube
     restart: unless-stopped
+    environment:
+      - DELETE_FILE_ON_TRASHCAN=false
     ports:
       - "8081:8081" # web ui
     expose: