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manifest: provide guidance on SCRATCH descriptor (config and layer) #1023

Merged
merged 1 commit into from
Mar 10, 2023
Merged

manifest: provide guidance on SCRATCH descriptor (config and layer) #1023

merged 1 commit into from
Mar 10, 2023

Commits on Mar 10, 2023

  1. manifest, specs-go/: provide guidance on SCRATCH config descriptor 

    Ref: opencontainers#1025

Through the conversations between artifact manifest and standardizing
the misuse of the image-manifest one of the topics was around when there
is _not_ a `config` needed for the `layers`/blobs.

Since the `config` is a REQUIRED field, it meant setting this to some
valid value.

This guidance intends to set a norm for a blob that need only be pushed
to a registry a single time, and then save on round trips for all future
SCRATCH configs, while also being most widely portability.

to facilitate use by tools that import this reference code to identify
this specific blob when working with an empty/scratch config blob and
layer blob. This will utilize the same blob for both

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
    @vbatts
    vbatts committed Mar 10, 2023
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