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Merge pull request #8157 from dokku/7102-buildpacks-app-json

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Add support for specifying buildpacks via app.json
This commit is contained in:
Jose Diaz-Gonzalez
2026-04-26 04:07:14 -04:00
committed by GitHub
parent f30da59b84 08596c9648
commit 0a6eb14dd1
12 changed files with 297 additions and 16 deletions
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18
docs/deployment/builders/buildpack-management.md
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@@ -130,6 +130,24 @@ This will use the latest commit on the `master` branch of the specified buildpac
dokku buildpacks:set node-js-app https://github.com/heroku/heroku-buildpack-nodejs#v87
```
### Specifying buildpacks via app.json
Buildpacks can also be specified in the `app.json` file at the root of your repository:
```json
{
"buildpacks": [
{
"url": "heroku/python"
}
]
}
```
Buildpacks configured via `buildpacks:add` or `buildpacks:set` commands take precedence over those specified in `app.json`. If no buildpacks are configured via commands and `app.json` contains a `buildpacks` entry, those buildpacks will be used.
Shorthand buildpack references (e.g., `heroku/python`) are expanded to full GitHub URLs automatically.
### Displaying buildpack reports for an app
You can get a report about the app's buildpacks status using the `buildpacks:report` command: