Rounded Corner Radius Border On Image Using Flutter App

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
        home: Scaffold(
          appBar: AppBar(
            backgroundColor: Color(0xFF4A148C),
            title: Text('Rounded Corner Radius Border On Image'),
            centerTitle: true,
          ),
            body:SafeArea(
                child: Center(
                  child: Column(
                    children: [
                      Padding(
                        padding: const EdgeInsets.only(top:20.0),
                        child: Container(
                          decoration: BoxDecoration(
                              borderRadius: BorderRadius.all(Radius.circular(15.0)),
                              border: Border.all(
                                color: Color(0xFF4A148C),
                                width: 4,
                              )),
                          child: Image.asset(
                            'assets/img1.jpg',
                            width: 230,
                            fit: BoxFit.contain,
                          ),
                        ),
                      ),
                    ],
                  ),
                ))
        )
    );
  }
}