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uc image push suffers a closed network connection error but docker pussh works #141

@Jiralite

Description

@Jiralite

Describe the bug

uc image push seems to not work successfully: https://github.com/thatskyapplication/thatskyapplication/actions/runs/18409605542/job/52459082551

After pushing the layer, it starts retrying. I was able reproduce this locally too.

When I ran docker pussh locally, this worked. Doesn't look like there's a verbose mode, unfortunately?

How to reproduce

See GitHub Action. Possibly need a big image size. I had ran a smaller image that worked. I suppose you could try building from that monorepo too.

Expected behavior

uc image push should work like docker pussh does.

Environment:

  • Uncloud versions:
    • Control (client) node (uc --version): 0.13.0
    • Uncloud daemon (from the server) (uncloudd --version): 0.13.0
  • OS version (uname -a):
    • Client (control node): Darwin Jiralites-MacBook-Pro-2.local 25.0.0 Darwin Kernel Version 25.0.0: Wed Sep 17 21:41:50 PDT 2025; root:xnu-12377.1.9~141/RELEASE_ARM64_T6030 arm64 (check link above for the runner information)
    • Server: Linux 6.14.0-15-generic #15-Ubuntu SMP PREEMPT_DYNAMIC Sun Apr 6 15:05:05 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

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