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README.md

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@@ -22,6 +22,7 @@ Very little of this gets tested on Windows hosts. Windows Subsystem for Linux (W
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* [Clicky-clicky](#clicky-clicky)
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* [Pushing to Docker Hub with CI](#pushing-to-docker-hub-with-ci)
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* [What you need to modify in this file](#what-you-need-to-modify-in-this-file)
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* [Add git submodules](#add-git-submodules)
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* [TODO](#todo)
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## Setup
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* Add environment variable (image name)
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* `APP_NAME`
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## Add git submodules
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For completeness, add another git repo as a submodule.
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```bash
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git submodule add https://github.com/pythoninthegrass/node_with_docker.git node
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git submodule update --init --recursive
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git submodule update --recursive
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```
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[Instructions to create a token](https://docs.docker.com/docker-hub/access-tokens/#create-an-access-token).
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[Instructions to disable this action](https://docs.github.com/en/actions/managing-workflow-runs/disabling-and-enabling-a-workflow) if you don't want this feature.

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