old_contents: import os
  from .base import BASE_DIR, PROJECT_BASE_DIR
  
  
  # Static files (CSS, JavaScript, Images)
  # https://docs.djangoproject.com/en/1.9/howto/static-files/
  
  STATIC_URL = '/static/'
  
  STATIC_ROOT = os.path.join(PROJECT_BASE_DIR, "dist", "static")
  
  
  # PIPELINE #
  
  # Location of collect staticfiles
  STATICFILES_STORAGE = 'pipeline.storage.PipelineCachedStorage'
  
  # config where is staticfiles
  STATICFILES_FINDERS = (
      'django.contrib.staticfiles.finders.FileSystemFinder',
      'django.contrib.staticfiles.finders.AppDirectoriesFinder',
      'pipeline.finders.PipelineFinder',
  )
  
  PIPELINE = {
      'STYLESHEETS': {
          'bookconnect': {
              'source_filenames': (
                  'css/application.css',
              ),
              'output_filename': 'css/bookconnect.css',
          },
      },
      'JAVASCRIPT': {
          'csrftoken': {
              'source_filenames': (
                  'js/csrf_token.js',
              ),
              'output_filename': 'js/csrf_token.js',
          },
          'items': {
              'source_filenames': (
                  'js/booksale.js',
                  'js/detail.js',
              ),
              'output_filename': 'js/items.js',
          },
          'users': {
              'source_filenames': (
                  'js/users/aftersocial.js',
                  'js/users/joinus.js',
              ),
              'output_filename': 'js/users/users.js',
          },
      }
  }
  
  
  PIPELINE['CSS_COMPRESSOR'] = 'pipeline.compressors.yuglify.YuglifyCompressor'
  
new_contents: import os
  from .base import BASE_DIR, PROJECT_BASE_DIR
  
  
  # Static files (CSS, JavaScript, Images)
  # https://docs.djangoproject.com/en/1.9/howto/static-files/
  
  STATIC_URL = '/static/'
  
  STATIC_ROOT = os.path.join(PROJECT_BASE_DIR, "dist", "static")
  
  
  # PIPELINE #
  
  # Location of collect staticfiles
  STATICFILES_STORAGE = 'pipeline.storage.PipelineCachedStorage'
  
  # config where is staticfiles
  STATICFILES_FINDERS = (
      'django.contrib.staticfiles.finders.FileSystemFinder',
      'django.contrib.staticfiles.finders.AppDirectoriesFinder',
      'pipeline.finders.PipelineFinder',
  )
  
  PIPELINE = {
      'STYLESHEETS': {
          'bookconnect': {
              'source_filenames': (
                  'css/application.css',
              ),
              'output_filename': 'css/bookconnect.css',
          },
      },
      'JAVASCRIPT': {
          'csrftoken': {
              'source_filenames': (
                  'js/csrf_token.js',
              ),
              'output_filename': 'js/csrf_token.js',
          },
          'booksale': {
              'source_filenames': (
                  'js/booksale.js',
              ),
              'output_filename': 'js/booksale.js',
          },
          'detail': {
              'source_filenames': (
                  'js/detail.js',
              ),
              'output_filename': 'js/detail.js',
          },
          'aftersocial': {
              'source_filenames': (
                  'js/users/aftersocial.js',
              ),
              'output_filename': 'js/users/aftersocial.js',
          },
          'joinus': {
              'source_filenames': (
                  'js/users/joinus.js',
              ),
              'output_filename': 'js/users/joinus.js',
          },
      }
  }
  
  
  PIPELINE['CSS_COMPRESSOR'] = 'pipeline.compressors.yuglify.YuglifyCompressor'
  
subject: update : modify pipeline output_file seperate staticfile을 두개 이상 합치지 않는다.