我正在尝试在DigitalOcean上部署Django应用程序。但是，静态文件不会在服务器上提供。我不知道是什么问题，因为他们在当地工作得很好。以下是我的设置文件：

from django.core.management.utils import get_random_secret_key
from pathlib import Path

import os
import sys
import dj_database_url

BASE_DIR = Path(__file__).resolve().parent.parent

SECRET_KEY = os.getenv("DJANGO_SECRET_KEY", get_random_secret_key())

DEBUG = os.getenv("DEBUG", "False") == "True"
DEVELOPMENT_MODE = os.getenv("DEVELOPMENT_MODE", "False") == "True"

ALLOWED_HOSTS = os.getenv("DJANGO_ALLOWED_HOSTS", "127.0.0.1,localhost").split(",")

INSTALLED_APPS = [
    'app.apps.AppConfig',
    
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    "whitenoise.runserver_nostatic",  # new
    "django.contrib.staticfiles",
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'myapp.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        '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',
            ],
        },
    },
]

WSGI_APPLICATION = 'myapp.wsgi.application'

if DEVELOPMENT_MODE is True:
    DATABASES = {
        "default": {
            "ENGINE": "django.db.backends.sqlite3",
            "NAME": os.path.join(BASE_DIR, "db.sqlite3"),
        }
    }
elif len(sys.argv) > 0 and sys.argv[1] != 'collectstatic':
    if os.getenv("DATABASE_URL", None) is None:
        raise Exception("DATABASE_URL environment variable not defined")
    DATABASES = {
        "default": dj_database_url.parse(os.environ.get("DATABASE_URL")),
    }


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',
    },
]


LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_TZ = True


STATIC_URL = "static/"
STATICFILES_DIRS = [BASE_DIR / "static"]  
STATIC_ROOT = BASE_DIR / "staticfiles"

STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'  # new

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'