instruction: Create a Dockerfile for fundamentals
output: ```dockerfile
  from the host. If existing, this fix will also remove manually user added DENY DELETE ACL entries on the corresponding host directory.Fixed a bug where a Docker.qcow2 file would be ignored on upgrade and a fresh Docker.raw used instead, resulting in containers and images disappearing. Note that if a system has both files (due to the previous bug) then the most recently modified file will be used, to avoid recent containers and images disappearing again. To force the use of the old Docker.qcow2, delete the newer Docker.raw file. Fixes docker/for-mac#5998.Fixed a bug where subprocesses could fail unexpectedly during shutdown, triggering an unexpected fatal error popup. Fixes docker/for-mac#5834.For WindowsFixed Docker Desktop sometimes hanging when clicking Exit in the fatal error dialog.Fixed an issue that frequently displayed the Download update popup when an update has been downloaded but hasn't been applied yet docker/for-win#12188.Fixed installing a new update killing the application before it has time to shut down.Fixed: Installation of Docker Desktop now works even with group policies preventing users to start prerequisite services (e.g. LanmanServer) docker/for-win#12291.4.1.12021-10-12Bug fixes and minor changesFor MacWhen upgrading
  ```