DynamicComponent.cmp

<aura:component >
    <aura:attribute name="index" type="Integer" default="1" />
    <aura:attribute name="buttonLabel" type="String" />
    
    <div style="margin-top=20px;text-align:center;width=100%">
        <lightning:button variant="brand" label="Create Component" onclick="{! c.createComponent }" />
        <lightning:button variant="destructive" label="Remove Component" onclick="{! c.removeComponent }" />
    </div>
    <br/><br/>
    <div style="border:10px ridge red;height:50%;width:100%">
        {!v.body}
    </div>
    <br/>
    <div class="slds-align--absolute-center">
        {!v.buttonLabel}
    </div>
    
</aura:component>