持续集成与持续交付
将 Gradle 构建集成到 Jenkins、GitLab CI 或 GitHub Actions 等热门持续集成与持续交付系统中。
持续集成与持续交付 是 CoddyKit 上的免费 Groovy & Gradle: JVM Automation and Build Engineering 课时。 这是第 3 节课，共 4 节。 你可以在下方免费阅读本课时的完整内容 — 然后在浏览器中使用内置代码编辑器和全天候 AI 导师进行实践。 这是 Groovy & Gradle: JVM Automation and Build Engineering 学习路径的一部分，你的进度在网页和 CoddyKit 应用中同步。 Groovy & Gradle: JVM Automation and Build Engineering 课程共包含 4 节课。
本课时的部分内容尚未翻译，以英文显示。
CI/CD & Gradle: The Perfect Pair
Welcome to the world of Continuous Integration (CI) and Continuous Delivery/Deployment (CD)! CI/CD is a set of practices that automate the building, testing, and deployment of software.
Gradle, with its powerful and flexible build automation capabilities, is an ideal partner for CI/CD pipelines. It ensures your projects are consistently built and tested across different environments.
Benefits of Automated Builds
Integrating Gradle into your CI/CD pipeline brings many advantages:
- Automated Builds: Every code change triggers an automatic build and test cycle.
- Faster Feedback: Quickly identify and fix issues, reducing integration problems.
- Consistent Builds: Gradle ensures builds are reproducible, regardless of the environment.
- Reliable Deployments: Automated deployments reduce human error and speed up releases.
Essential Gradle CI/CD Stages
While every project is unique, most CI/CD pipelines using Gradle follow a similar pattern:
- Checkout: Fetch your code from version control (e.g., Git).
- Build: Compile code and assemble artifacts using
gradlew build. - Test: Run unit and integration tests with
gradlew test. - Package: Create deployable artifacts (JAR, WAR) with tasks like
gradlew jar. - Publish/Deploy: Push artifacts to a repository or deploy to an environment.
Consistent Builds with Gradle Wrapper
The Gradle Wrapper (gradlew or gradlew.bat) is crucial for CI/CD. It ensures that every build uses the exact same Gradle version, preventing "it works on my machine" issues.
Always use the wrapper in your CI/CD scripts. This guarantees build consistency across all environments, from your local machine to the build server.
./gradlew buildSetting up Jenkins for Gradle
Jenkins is a popular open-source automation server. You can configure Jenkins jobs to run Gradle builds using a Jenkinsfile (Pipeline as Code) or through the UI.
A basic Jenkinsfile defines stages and steps. Here's a simple example for a Gradle project:
pipeline {
agent any
stages {
stage('Build') {
steps {
sh './gradlew build'
}
}
stage('Test') {
steps {
sh './gradlew test'
}
}
}
}Gradle with GitLab CI/CD
GitLab CI/CD is built directly into GitLab. You define your pipeline in a .gitlab-ci.yml file in your project's root directory. GitLab runners then execute the defined jobs.
Here's how you might configure a basic build and test job for a Gradle project:
image: gradle:jdk17-alpine
stages:
- build
- test
build_job:
stage: build
script:
- ./gradlew assemble
artifacts:
paths:
- build/libs/*.jar
test_job:
stage: test
script:
- ./gradlew check
dependencies:
- build_jobAutomating with GitHub Actions
GitHub Actions provide powerful automation directly within your GitHub repositories. Workflows are defined in YAML files located in .github/workflows/.
You can easily set up a workflow to build and test your Gradle project on every push or pull request:
name: Gradle CI
on: [push, pull_request]
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Set up JDK 17
uses: actions/setup-java@v4
with:
java-version: '17'
distribution: 'temurin'
- name: Grant execute permission for gradlew
run: chmod +x gradlew
- name: Build with Gradle
run: ./gradlew buildHandling Credentials in CI/CD
Your CI/CD pipeline often needs access to sensitive information, like API keys or repository credentials. Never hardcode these into your build scripts or configuration files!
Instead, leverage your CI/CD platform's secret management features. They allow you to define environment variables that are securely injected during the build process, preventing them from being exposed in logs or source control.
Publishing Built Artifacts
After successfully building and testing your project, your CI/CD pipeline can take the next step: publishing or deploying the artifacts. This often involves uploading generated JARs, WARs, or other packages to a remote repository.
Tools like Artifactory or Nexus are commonly used. Your Gradle build scripts, configured for publishing (as covered in previous lessons), will be invoked by the CI/CD system to push these artifacts.
Testing Your CI/CD Knowledge
Which of the following are key benefits of integrating your Gradle build with a CI/CD pipeline?
Recap: Automating with Gradle
Great job! You've learned how Gradle seamlessly integrates with modern CI/CD practices.
We covered:
- The core benefits of CI/CD for Gradle projects.
- The importance of the Gradle Wrapper for consistent builds.
- Basic integration examples for Jenkins, GitLab CI, and GitHub Actions.
- Best practices for handling secrets and publishing artifacts.
By leveraging these tools, you can ensure your projects are built, tested, and deployed efficiently and reliably!
常见问题解答
「持续集成与持续交付」课时是免费的吗？
是的 — 「持续集成与持续交付」的完整文本可在网页上免费阅读。要进行交互式练习（内置代码编辑器和全天候 AI 导师）并解锁 Groovy & Gradle: JVM Automation and Build Engineering 课程的其余内容，请升级到 CoddyKit PRO。 Groovy & Gradle: JVM Automation and Build Engineering 课程共包含 4 节课。
「持续集成与持续交付」这节课中我会学到什么？
将 Gradle 构建集成到 Jenkins、GitLab CI 或 GitHub Actions 等热门持续集成与持续交付系统中。 你通过在浏览器中直接运行的动手代码来练习 Groovy & Gradle: JVM Automation and Build Engineering，全天候 AI 导师会在你学习这节课的过程中回答你的问题。
学习 Groovy & Gradle: JVM Automation and Build Engineering 需要有经验吗？
无需任何先前经验。CoddyKit 上的 Groovy & Gradle: JVM Automation and Build Engineering 课程适合初学者到高级学习者，你可以从这里开始或从头开始，按照自己的节奏学习。 这是第 3 节课，共 4 节。
「持续集成与持续交付」课时需要多长时间？
大多数 CoddyKit 课程大约需要 5–10 分钟。每节课都很精短且互动，所以你能稳步进步，并在网页和应用中从离开的地方继续。
我能在这节 Groovy & Gradle: JVM Automation and Build Engineering 课中编写并运行代码吗？
能。每节 Groovy & Gradle: JVM Automation and Build Engineering 课都包含内置代码编辑器，你可以在浏览器中直接编写并运行真实代码，并获得即时 AI 反馈 — 无需本地设置。
此课程中的所有课时
- 打包 JAR、WAR 与 EAR
- 发布到仓库
- 持续集成与持续交付
- 版本管理与发布自动化