Final Dockerfile with all permission, PATH, and dependency fixes

Final Docker fix: Added PATH and --user flag for pip install to resolve ModuleNotFoundError

Fix permissions: create directories and chown before switching user

Final infrastructure fix: Switched to PyTorch base image to prevent OOM/timeout during Torch/Numpy install

Final dependency fix: Separated NumPy/Torch install layer to resolve moviepy import

Forcing Docker cache bust to fix moviepy ModuleNotFoundError

Final attempt to force Docker SDK and config reload