text: import os
  import random
  import string
  import dj_database_url
  
  BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
  PROJECT_ROOT = os.path.dirname(os.path.abspath(__file__))
  
  SECRET_KEY = os.environ.get("SECRET_KEY", "".join(random.choice(string.printable) for i in range(40)))
  DEBUG = os.environ.get("DEBUG", False)
  
  # Application definition
  INSTALLED_APPS = (
      'django.contrib.admin',
      'django.contrib.auth',
      'django.contrib.contenttypes',
      'django.contrib.sessions',
      'django.contrib.messages',
      'django.contrib.staticfiles',
      'channels',
      'chat',
  )
  
  MEDIA_ROOT = os.path.join(BASE_DIR, 'media/')
  
  MIDDLEWARE_CLASSES = (
      # 'django.contrib.sessions.middleware.SessionMiddleware',
      # 'django.middleware.common.CommonMiddleware',
      # 'django.middleware.csrf.CsrfViewMiddleware',
      # 'django.contrib.auth.middleware.AuthenticationMiddleware',
      # 'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
      # 'django.contrib.messages.middleware.MessageMiddleware',
      # 'django.middleware.clickjacking.XFrameOptionsMiddleware',
      # 'django.middleware.security.SecurityMiddleware',
  )
  
  ROOT_URLCONF = 'chat.urls'
  
  TEMPLATES = (
      {
          'BACKEND': 'django.template.backends.django.DjangoTemplates',
          'DIRS': [os.path.join(BASE_DIR, 'templates')],
          'APP_DIRS': True,
          'OPTIONS': {
              'context_processors': [
                  'django.template.context_processors.debug',
                  'django.template.context_processors.request',
                  'django.contrib.auth.context_processors.auth',
                  'django.contrib.messages.context_processors.messages',
              ],
              'debug': DEBUG,
          },
      },
  )
  
  # Database
  # https://docs.djangoproject.com/en/1.9/ref/settings/#databases
  
  DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.postgresql_psycopg2',
          'NAME': 'channels',
          'USER': 'nirwand',
          'PASSWORD': '',
          'HOST': '127.0.0.1',
          'PORT': '5432',
          'CONN_MAX_AGE': None
      }
  }
  
  AUTH_PASSWORD_VALIDATORS = (
      {
          'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
      },
  )
  
  # Internationalization
  # https://docs.djangoproject.com/en/1.9/topics/i18n/
  LANGUAGE_CODE = 'en-us'
  TIME_ZONE = 'UTC'
  USE_I18N = True
  USE_L10N = True
  USE_TZ = True
  
  # Honor the 'X-Forwarded-Proto' header for request.is_secure()
  SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
  
  # Allow all host headers
  ALLOWED_HOSTS = ['*']
  
  # Static files (CSS, JavaScript, Images)
  # https://docs.djangoproject.com/en/1.9/howto/static-files/
  
  STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')
  STATIC_URL = '/static/'
  
  # Extra places for collectstatic to find static files.
  STATICFILES_DIRS = [
      os.path.join(BASE_DIR, 'static'),
  ]
  
  # Channel settings
  CHANNEL_LAYERS = {
      "default": {
          "BACKEND": "asgi_redis.RedisChannelLayer",
          "CONFIG": {
              "hosts": [os.environ.get('REDIS_URL', 'redis://localhost:6379')],
          },
          "ROUTING": "chat.routing.channel_routing",
      },
  }
  
  # Logging
  LOGGING = {
      'version': 1,
      'disable_existing_loggers': False,
      'handlers': {
          'console': {
              'class': 'logging.StreamHandler',
          },
      },
      'loggers': {
          'django': {
              'handlers': ['console'],
              'propagate': True,
              'level': 'INFO'
          },
          'chat': {
              'handlers': ['console'],
              'propagate': False,
              'level': 'DEBUG',
          },
      },
  }