Docs: Use CI_JOB_TOKEN with Composer repository

doc/user/packages/composer_repository/index.md

@@ -79,16 +79,17 @@ git push origin v1.0.0
 Now that the basics of our project is completed, we can publish the package.
 To publish the package, you need:
 
-- A personal access token. You can generate a [personal access token](../../../user/profile/personal_access_tokens.md) with the scope set to `api` for repository authentication.
-   NOTE: **Note:**
+- A personal access token or `CI_JOB_TOKEN`.
 
-  [Deploy tokens](./../../project/deploy_tokens/index.md) are not yet supported for use with Composer.
+  ([Deploy tokens](./../../project/deploy_tokens/index.md) are not yet supported for use with Composer.)
 
 - Your project ID which can be found on the home page of your project.
 
 To publish the package hosted on GitLab, make a `POST` request to the GitLab package API.
 A tool like `curl` can be used to make this request:
 
+You can generate a [personal access token](../../../user/profile/personal_access_tokens.md) with the scope set to `api` for repository authentication. For example:
+
 ```shell
 curl --data tag=<tag> 'https://__token__:<personal-access-token>@gitlab.com/api/v4/projects/<project_id>/packages/composer'
 ```
@@ -101,6 +102,21 @@ Where:
 
 If the above command succeeds, you now should be able to see the package under the **Packages & Registries** section of your project page.
 
+### Publishing the package with CI/CD
+
+To work with Composer commands within [GitLab CI/CD](./../../../ci/README.md), you can
+publish Composer packages by using `CI_JOB_TOKEN` in your `.gitlab-ci.yml` file:
+
+```yaml
+stages:
+  - deploy
+
+deploy:
+  stage: deploy
+  script:
+    - 'curl --header "Job-Token: $CI_JOB_TOKEN" --data tag=<tag> "https://gitlab.example.com/api/v4/projects/$CI_PROJECT_ID/packages/composer"'
+```
+
 ### Installing a package
 
 To install your package, you need: