old_contents: const gulp = require('gulp');
  const tasks = require('strt-gulpfile')({
    src: 'src',
    dist: 'public/dist',
  });
  
  gulp.task('default', gulp.series(
    tasks.clean,
    gulp.parallel(
      tasks.styles,
      tasks.images,
      tasks.files,
      tasks.icons,
      tasks.scripts
    ),
    tasks.serve
  ));
  
new_contents: const gulp = require('gulp');
  const tasks = require('strt-gulpfile')({
    src: 'src',
    dist: 'public/dist',
  });
  
  gulp.task('default', gulp.series(
    tasks.clean,
    gulp.parallel(
      tasks.styles,
      tasks.images,
      tasks.files,
      tasks.icons,
      tasks.scripts
    ),
    tasks.serve
  ));
  
  gulp.task('production', gulp.series(
    gulp.parallel(
      tasks.styles,
      tasks.images,
      tasks.files,
      tasks.icons,
      tasks.scripts
    )
  ));
  
subject: add gulp production task✅