CI/CD for Java

Buddy lets you create delivery pipelines that will build, test and deploy your Java website on a single push to a branch. The pipelines consist of actions that you can configure depending on your needs.

Java pipeline exampleJava pipeline example

Configuration is very easy and takes only a couple of minutes.

1. Select your Git repository

Buddy supports all popular Git hosting providers, including GitHub, Bitbucket, and GitLab. You can also use your own private Git server, or host code directly on Buddy.

Supported Git providersSupported Git providers

2. Add a new delivery pipeline

Enter the pipeline's name, select the trigger mode, and define the branch from which Buddy will fetch your code:

Exemplary pipeline settingsExemplary pipeline settings

Trigger modes

  • Manually (on click) — recommended for Production
  • On events (automatic) — recommended for Development
  • On schedule (on time interval) — recommended for Staging/Testing
Event-based triggers allow you to run pipelines whenever a push is made to any branch in the repository, or whenever a branch, tag or a pull request is created or deleted. On event pipeline trigger modeOn event pipeline trigger mode

3. Add actions

Buddy lets you choose from dozens of predefined actions. In this example, we'll add 4 actions that will perform the following tasks:

  • Build and test your Java application with Maven
  • Upload code toe server together with compiled assets
  • Run db migration & restart server
  • Send notification to Slack

3.1 Build and test your Java application

Build actions in Buddy are run in isolated containers run from official Docker images. When the pipeline is run, Buddy pulls the container, runs build commands, and uploads the results to the pipeline filesystem.
Buddy has dedicated actions for Gradle and Maven compilers. If you use something else, e.g. Ant, you can define a custom Docker image as the runtime template in the environment tab.

The main tab lets you determine the commands to execute. The default commands are:

mvn clean install$

Maven default build commandMaven default build command

If your tests require a database to run, you can attach it in the Services tab: Services tabServices tab

3.2 Deploy application to server

The compiled application needs to be uploaded to the server. Head to the Transfer section and select your upload action (SFTP in our case):

File transfer actionsFile transfer actions

When adding the action you can choose what and where should be uploaded:

SFTP action configurationSFTP action configuration

3.3 Run db migration & restart server

Once the app is deployed, you can run additional commands on your server with the SSH action:

SSH action selectionSSH action selection

Enter the commands to execute together and configure authentication details:

Command consoleCommand console

3.4 Send notification to Slack

You can configure Buddy to send your team a message after the deployment. In this example we'll use Slack:

Notification actionsNotification actions

If you add this action in the On Failure tab, Buddy will only send the message if something goes wrong with your build or deployment. On failure notificationOn failure notification

4. Summary

Congratulations! You have just automated your entire delivery process. Make a push to the selected branch and watch Buddy fetch, build, and deploy your project. With Continuous Delivery applied, you can now focus on what's really important: developing awesome apps! 🔥

Bear in mind that this article is only a brief example of what Buddy can do. You can create additional pipelines for staging and production environments, integrate with your favorite services (AWS, Google, Azure), trigger tests on pull requests, build Docker images, and push them to the registry—the possibilities are unlimited. If you want us to create a delivery pipeline for your project, drop a line to support@buddy.works – we'll be happy to help!

Last modified on September 22, 2023

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