1. Environment

1.1 Prerequisites

• Maven CLI;
• Git CLI;
• Java 11;
• An IDE of your preference;
• If using Windows, PowerShell is recommended;
• Helidon CLI (optional);
• REST client tools like cURL or postman (Optional);

To check if you have the above tools installed, open your terminal and running the following the commands. You should be able to see the version of each of the tools:

java -version
mvn -version
git --version

1.1.1 Installing helidon CLI (optional)

To install Helidon, you can run the commands below according to your O.S:

MacOS:

curl -O https://helidon.io/cli/2.3.3/darwin/helidon
chmod +x ./helidon
sudo mv ./helidon /usr/local/bin/

Linux:

curl -O https://helidon.io/cli/2.3.3/linux/helidon
chmod +x ./helidon
sudo mv ./helidon /usr/local/bin/

Windows:

PowerShell -Command Invoke-WebRequest -Uri "https://helidon.io/cli/2.3.3/windows/helidon.exe" -OutFile "C:\Windows\system32\helidon.exe"

You can verify the installation by running in the terminal:

helidon version

Helidon CLI is available for Helidon 2+.

1.2 Prepare your working directory

The exercises are built on top of quickstart projects, a foundation of preconfigured projects. You need the projects available in your local development environment.

To get the foundation projects and build them, you can run:

git clone https://github.com/architects4j/helidon-microstream-training-labs-foundation
cd helidon-microstream-training-labs-foundation
mvn clean package

The build and packaging should complete successfully.