If you opened a brand new workspace, you should see the OpenShift Application Explorer view in the list of views available on the botton part of the screen:

If you don’t see the view being listed, you can open it through the Window -→ Show View -→ Other menu, enter open in the filter text box and then select OpenShift Application Explorer:

Expanding the root node will display the list of projects available on the cluster:

We will show how to deploy a Java based microservice and how to use the various features. But we first need to load the component source code in our workspace. Thanks to the launcher wizard, we can do that easilly. Try Ctrl+N and select the Launcher project wizard:

Then click the Next button:

Select rest-http in the Mission field, vert.x community in the Runtime field, myservice in the Project name field:

Then click the Finish button: a new project will be added to your workspace. Once the dependencies resolution has been completed, we’re ready to start playing with the cluster.

A new wizard has been added to create a new Quarkus application project in your workspace. In order to launch it, first enter Ctrl+N to get the list of available wizards

In the filter text box, enter the qu characters to filter the list of wizards:

Select the Quarkus Project wizard and click the Next button:

The Project type combo allows you to choose between Maven or Gradle tool used to manage your project. We’ll go with Maven for this tutorial.

Enter a project name (we will use code-with-quarkus) and click the Next button:

This dialog allows you to choose various parameters for you project, like the project coordinates (group id, artifact id and version) along with the base REST endpoint information. We’ll use the default so click on the Next button:

This dialog allows to select which Quarkus extensions you want to add to your project. The extensions are grouped by categories, so first select a specific category in the left table. We will choose the Web one:

You should have noticed that the middle table has been updated. In order to add an extension, double click on the extension in the middle table. We will add RESTEasy JAX-RS and RESTEasy Qute (a templating engine):

You should have noticed that the extensions that you double clicked on are now being added to the right table. If you want to remove an extension from the list of selected ones, double click again either in the center table or in the right table.

We are now all set so click on the Finish button to launch the project creation. The project creation job is then launched, dependencies are being retrieved and after a while, the new project will appear in the Project Explorer window:

We have successfully created our first Quarkus project. Let’s see now how we can launch this application and debug it.

Running a Quarkus application can be done from the workbench Run configurations. Select the Run → Run Configurations…​ menu to display the dialog allowing to create a Run configuration.

Scroll down until the Quarkus Application is visible and select it:

Click on the New configuration button (top left):

A workspace project needs to be associated with the configuration so click on the Browse button to see the project selection dialog:

As the workspace contains a single project, it is automatically selected and we can click on the OK button:

The configuration is now ready to be used. So let’s start our Quarkus application by clicking on the Run button:

You should see a new Console being displayed.

The application is being built and after a while, it will be started:

Debugging a Quarkus application is just a simple as launching the previous configuration we’ve just created in Debug. You just need to open the Run → Debug Configurations…​. menu and click on the Debug button.

It will start the Quarkus application like in the previous paragraph but also connect a remote JVM debug configuration to your running Quarkus application. So if you have set breakpoints in your application source files, the execution will automatically stops there.

Every Quarkus application is configured through a configuration called application.properties.

The content of this configuration file is dependent of the set of Quarkus extensions that your application is using. Some settings are mandatory, some others are not and the possible values are specific to the nature of the setting: boolean, integer, limited set of values (enumerations).

So, as a developer, you need to look at various guides and documentations (the core Quarkus and the extension specific ones)

So Quarkus Tools provides content assist on those specific files that:

Let’s see it in action.

Go to src/main/resources/application.properties in the project and right click and select Open With → Generic Text Editor:

Go the third line of the file and invoke code completion (Ctrl + Space):

For each setting, a documentation is displayed when you mouse over the setting. Let try to add quarkus.http.port to the file and mouse over this name:

If we enter a wrong value (false instead of a numeric value), then the error will be highlighted:

This is the first set of features that will be integration into the next version of JBoss Tools. We encourage you to used it and if you are missing features and/or enhancements, don’t hesitate to report them here: JBoss Tools issue tracker