Create addComponent method

host.component.ts

import { Component } from '@angular/core';
import { DynamicComponent } from './dynamic.component';

@Component({
 selector: 'host',
 templateUrl: './host.component.html',
 styleUrls: [ './host.component.css' ],
 entryComponents: [DynamicComponent]
})
export class AppComponent  {

  @ViewChild('container', { read: ViewContainerRef }) container: ViewContainerRef;

  constructor (private resolver: ComponentFactoryResolver) {
  }

  addComponent() {
    let factory = this.resolver.resolveComponentFactory(DynamicComponent);
    let component = factory.create(null);
    this.container.insert(component.hostView);
  }

}