SignIn.vue

<template>
  <div>
    <amplify-authenticator v-bind:authConfig="authConfig"/>
  </div>
</template
<script>
 import { Auth } from "aws-amplify";
  export default {
    name: 'SignIn',
    data() {
      return {
        authConfig: {
          signInConfig: {
            isSignUpDisplayed: false
          }
        }
      }
    }
  }
</script>