base supplies the container image and its Python interpreter.
add_local_dir and add_local_file mount files over the image when
each container starts instead of building them into it, so editing them
rebuilds nothing. Later mounts win where paths overlap.
from_registry
method
with_uv_pip_install
method
add_local_dir
method
remote_path.
A Run uploads them only when the service lacks this exact tree.
add_local_file
method
remote_path.