Merge pull request #34 from depot/pedro/doc-48-clarify-variable-precedence-for-x-depotproject-id-and-bake

docs: Clarify project ID precedence in bake files

Author: PedroGuerraPT

README.md

@@ -85,7 +85,7 @@ This action needs a Depot API token to communicate with your project's builders.
 
 | Name             | Type    | Description                                                                                                                                                                    |
 | ---------------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
-| `project`        | String  | Depot [project](https://depot.dev/docs/core-concepts#projects) ID to route the image build to your projects builders (default: the `depot.json` file at the root of your repo) |
+| `project`        | String  | Depot [project](https://depot.dev/docs/core-concepts#projects) ID to route the image build to your projects builders (default: the `depot.json` file at the root of your repo)<br><br>**Note:** If you specify `x-depot.project-id` in your Docker Compose file or `project_id` in your HCL bake file for individual services/targets, those project IDs will take precedence over this parameter. |
 | `token`          | String  | You must authenticate with the Depot API to communicate with your projects builders ([see Authentication above](#authentication))                                              |
 | `build-platform` | String  | The platform to use for the build ( `linux/amd64` or `linux/arm64`)                                                                                                            |
 | `lint`           | Bool    | Lint dockerfiles and fail build if any issues are of `error` severity. (default `false`)                                                                                       |