hello-world-service/.vscode/launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "type": "java",
            "name": "Debug Service (Attach)",
            "projectName": "hello-world-sg4-service",
            "request": "attach",
            "hostName": "localhost",
            "port": 8100
        },
    ]
}