using gha cache with docker-container #20748
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| @@ -57,6 +57,14 @@ exposed. Consider using the | |||
| [`crazy-max/ghaction-github-runtime`](https://github.com/crazy-max/ghaction-github-runtime), | |||
| GitHub Action as a helper for exposing the variables. | |||
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| If you are using the `docker-container` driver, `ACTIONS_RUNTIME_TOKEN` and `ACTIONS_RUNTIME_URL` environment variables must be passed into the container. | |||
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This is not needed, Buildx already sets token and url attributes for gha exporter during build: https://github.com/docker/buildx/blob/96eb69aea4e03baf516f29ec36aa93a9c284f085/util/buildflags/cache.go#L69-L84
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Oh cool. I wonder why we were having an issue getting this to work. Maybe an older buildx not using the controller api?
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Do you run docker buildx in a run step? If that's the case then ACTIONS_RUNTIME_TOKEN and ACTIONS_RUNTIME_URL envs are not exposed: https://docs.docker.com/build/cache/backends/gha/#authentication
You would need smth like https://github.com/crazy-max/ghaction-github-runtime?tab=readme-ov-file#usage
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Yeah we're definitely using that. Will have to take a closer look.
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documents how to use gha cache with
docker-containerdriverRelated issues or tickets
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