“无法解决：rpc 错误：code = Unknown desc = refusing to create a tag with a digest reference”当“docker compose up”时

Question

When I command "docker compose up" after finishing docker compose build, the follow error occured.

> exporting to image:
------
failed to solve: rpc error: code = Unknown desc = refusing to create a tag with a digest reference

I looked at the reason, but I don't understand why this error occurs.

Answer 1

I found that removing the line

build:

from the container's block in the docker compose file, resolved the issue for me.