mkjs/server/config.json

{
	"port": 8081,
	"instances": 1,
	"defaultInstance": {
		"mapRotation": [
			"mkdsDefault"
		],
		"mapMode": "random",
		"itemConfig": [
			{
				"item": 0,
				"cfg": {}
			},
			{
				"item": 1,
				"cfg": {}
			},
			{
				"item": 2,
				"cfg": {}
			}
		],
		"itemChance": [
			{
				"placement": 0.25,
				"choices": [
					{
						"item": 0,
						"chance": 0.5
					},
					{
						"item": 1,
						"chance": 0.75
					},
					{
						"item": 2,
						"chance": 1
					}
				]
			},
			{
				"placement": 1,
				"choices": [
					{
						"item": 2,
						"chance": 1
					}
				]
			}
		]
	}
}