UIImage corner with border color

CALayer * l = [imageViewRotateBg layer];

 [l setMasksToBounds:YES]; 

 [l setCornerRadius:10.0];
               
               

 // You can even add a border

 [l setBorderWidth:1.5];              

 [l setBorderColor:[[UIColor darkGrayColor] CGColor]];

imageView.image = [UIImage imageNamed:@"myImage"];