SOURCE

new Vue({
    el: "#app",
    data() {
        return {
            msg: "hello",
            serverData: [
                {id: 1, title: "aaa"},
                {id: 2, title: "bbb"},
                {id: 3, title: "ccc"},
            ]
        }
    }
})

<div id="app">
    <div v-for="(item, index) in serverData" :key="index">
        <input  type="checkbox" />
    </div>
    
</div>