.devcontainer/devcontainer.json

{
	"image": "mcr.microsoft.com/devcontainers/base:ubuntu-22.04",
	"features": {
		"ghcr.io/devcontainers/features/java:1": {
			"version": "8",
			"installMaven": "true",
			"mavenVersion": "3.9.1"
		}
	},
	"hostRequirements": {
		"memory": "8gb"
	}
}