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~With custom docker images, does `docker_environment` support setting `registries` when pulling the `image` ?~
```docker_environment(
    name="linux_x86_64-go1_21_1",
    platform="linux_x86_64",
    image="buildtools/linux_x86_64-go1_21_1:9c26819-1696454919",
    registries=[
      "@quay",
    ],
)```

FYI, it doesn’t but is the `image` expected to be always public? or is there a config I’m not aware of :thinking_face:

In our `pants.toml` , we do define the registry:
```[docker.registries.quay]
address = "<http://quay.io|quay.io>"```

:eyes: <https://pantsbuild.slack.com/archives/C046T6T9U/p1679335995359219>

I answered my own question. You need to set `image` to:
```quay.io/buildtools/linux_x86_64-go1_21_1:9c26819-1696454919```