outline border in container flutter code example

Example 1: flutter container border

Container(
  decoration: BoxDecoration(
    border: Border.all(
      color: Colors.red,  // red as border color
    ),
  ),
  child: Text("Your text...")
)

Example 2: border for container in flutter

new Container(
  margin: const EdgeInsets.all(15.0),
  padding: const EdgeInsets.all(3.0),
  decoration: BoxDecoration(
    border: Border.all(color: Colors.blueAccent)
  ),
  child: Text("My Awesome Border"),
)

Example 3: container border flutter

decoration: BoxDecoration(
          borderRadius: BorderRadius.circular(50.0),
          border: Border.all(
            color: Colors.blue,
            width: 2.0,
          ),
        ),