CardView extends FrameLayout, so it support foreground attribute. Using foreground attribute can also add border easily.
layout as follows:
<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/link_card"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:foreground="@drawable/bg_roundrect_ripple_light_border"
app:cardCornerRadius="23dp"
app:cardElevation="0dp">
</androidx.cardview.widget.CardView>
bg_roundrect_ripple_light_border.xml
<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
android:color="@color/ripple_color_light">
<item>
<shape android:shape="rectangle">
<stroke
android:width="0.5dp"
android:color="#DDDDDD" />
<corners android:radius="23dp" />
</shape>
</item>
<item android:id="@android:id/mask">
<shape android:shape="rectangle">
<corners android:radius="23dp" />
<solid android:color="@color/background" />
</shape>
</item>
</ripple>