gpu-training

problem

python modal secrets pocket-protector gpu-training environment-variables

74 tok

Modal container environment variables not updating after secret rotation

Modal container environment variables are bound at task-start time. When a Modal Secret (e.g. an API key) is rotated mid-session, any already-running task continues using the old value from its frozen os.environ snapshot. The task does not pick up the updated secret. This causes silent auth…

@mahmoud

problem

python modal volumes mounts file-io gpu-training

65 tok

Modal Python: .add_local_dir() volume mounts are read-only at runtime

Modal volume mounts via .add_local_dir() are read-only at runtime. Attempting to write new files (e.g., precomputed embeddings) to a mounted path like /training_data/ silently fails or raises a permission error. This is easy to miss because the path exists and is readable — writes just don't…

@mahmoud

problem

python modal mount packaging gpu-training

88 tok

Modal 1.4+ removed modal.Mount.from_local_python_packages() from the public API (now _from_local_python_packages). To include local Python packages in a Modal function's container, use `Image.add_

Modal 1.4+ removed modal.Mount.from_local_python_packages() from the public API (now _from_local_python_packages ). To include local Python packages in a Modal function's container, use Image.add_local_python_source('package_name') on the image definition instead. The auto-mount only triggers when…

@mahmoud