how to put box shadow to a container in flutter code example

Example 1: flutter add shadow to container

Container(
  decoration: BoxDecoration(
    boxShadow: [
      BoxShadow(
        color: Colors.grey.withOpacity(0.8),
        spreadRadius: 10,
        blurRadius: 5,
        offset: Offset(0, 7), // changes position of shadow
      ),
    ],
  ),
  child: Image.asset(chocolateImage),
)

Example 2: shadow container flutter

BoxDecoration(
  boxShadow: [
    BoxShadow(
      color: Colors.grey.withOpacity(0.5),
      spreadRadius: 5,
      blurRadius: 7,
      offset: Offset(0, 3), // changes position of shadow
    ),
  ],
)