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Would it be possible to have a `run` rule that requests a `publish` before running a command? and if so, is there an example? Context in thread

We're using <https://metaflow.org/|metaflow>, and want to `publish` a docker image with all third-party deps before running a python_source command (which spins up jobs in k8s)

There are a couple other ways to solve this problem (like create a pex and execute remote from that), but publishing a docker image seems to be the best balance between correctness and speed (with large dependencies aka Tensorflow)

you should be able to use a <https://www.pantsbuild.org/2.18/docs/writing-plugins/the-rules-api/rules-and-the-target-api#dependencies-like-fields|special-cased dependencies> field for listing the dependencies. Then, in your rule, you should be able to request the goal rule. The helm backend does something similar as part of the `experimental_deploy` goal, where it publishes docker containers as part of the deployment