# 將 Java Library 發佈到 GitLab Project 中 > Ref: https://docs.gitlab.com/ee/user/packages/maven_repository/index.html#getting-started-with-gradle 1. 對 GitLab Project 啟用 Package Manager。 > 位於 *Project Settings/General Settings/Visibility, project features, permissions*。  2. 到 *User Settings/Access Tokens* 建立 Scopes 為 `api` 的 Token。  3. 將建立好的 Token 存入 `~/.gradle/gradle.properties`。 ```properties MyGitLabPrivateToken=<your_private_token> ``` 4. 在 `build.gradle.kts` 中使用 `maven-publish` plugin。 ```kotlin plugins { `maven-publish` `java-library` } ``` 5. 在 `build.gradle.kts` 中設定 publishing 的資訊。分別填入 `gitlab_url`、`project_id`等資訊。 ```kotlin publishing { publications { create("MyLibrary", MavenPublication::class) { from(components["java"]) } } repositories { maven { url = uri("https://<gitlab_url>/api/v4/projects/<project_id>/packages/maven") name = "MyGitLab" credentials(HttpHeaderCredentials::class) { name = "Private-Token" value = findProperty("MyGitLabPrivateToken")?.toString() } authentication { create<HttpHeaderAuthentication>("header") } } } } ``` 6. 執行 `gradle publishMyLibraryPublicationToMyGitLabRepository` 來發佈 package。發佈完成後可在 *Project/Packages* 查看結果。 
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