how to add border radius to borderside in flutter code example

Example 1: flutter container border radius

Container(
  child: Text(
    'This is a Container',
    textScaleFactor: 2,
    style: TextStyle(color: Colors.black),
  ),
  decoration: BoxDecoration(
    borderRadius: BorderRadius.circular(10),
    color: Colors.white,
    boxShadow: [
      BoxShadow(color: Colors.green, spreadRadius: 3),
    ],
  ),
  height: 50,
),

Example 2: different border radius on container flutter

Container(
              decoration: BoxDecoration(
                  color: gray,
                  borderRadius: BorderRadius.only(
                    bottomLeft: Radius.circular(20),
                    bottomRight: Radius.circular(20),
                  )),
              child: ...,
            ),