function usage()

in deploy.js [15:22]

• 8 lines of code
• 2 McCabe index (conditional complexity)

function usage() {
  console.log(`Usage: deploy.sh [-r region] [-b bucket] [-s stack] [-i docker-image]`);
  console.log(`  -r, --region       Target region, default '${region}'`);
  console.log(`  -b, --s3-bucket    S3 bucket for deployment, required`);
  console.log(`  -s, --stack-name   CloudFormation stack name, required`);
  console.log(`  -i, --image-arn    Docker image store in ECR, required`);
  console.log(`  -h, --help         Show help and exit`);
}