问PostgreSQL表没有创建。无法将Django连接到数据库？

EN

DATABASES = {
    'default': {
       'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'myblog',
        'USER': 'postgres',
        'PASSWORD': os.environ.get('PASSWORD'),
        'HOST': 'https://mydjangoblog.herokuapp.com',
        'PORT': '5432',
    },
}

import os
import django_heroku

BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
TEMPLATE_DIR = os.path.join(BASE_DIR, 'templates')
STATIC_DIR = os.path.join(BASE_DIR,'static')
MEDIA_DIR = os.path.join(BASE_DIR,'myblog/media')

SECRET_KEY = os.environ.get('SECRET_KEY')

DEBUG = True

ALLOWED_HOSTS = ['mydjangoblog.herokuapp.com']

INSTALLED_APPS = [
    'blogapp.apps.BlogappConfig',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'storages',
]

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 = 'myblog.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [TEMPLATE_DIR,],
        '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 = 'myblog.wsgi.application'

DATABASES = {
    'default': {
       'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'myblog',
        'USER': 'kcjpsannhsia8bbr',
        'PASSWORD': 'd11bdf3cdec79aa8ad73266e3aasjasjagsjagsjggsja0e61f8758b2526ce09e',
        'PORT': '5432',
    },
}

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
        'OPTIONS':{
            'max_similarity': 1,
        }
    },
    {
        '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_L10N = True

USE_TZ = True

STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')
STATIC_TMP = os.path.join(BASE_DIR, 'static')
STATIC_URL = '/static/'
STATICFILES_DIRS = [
os.path.join(BASE_DIR, 'static'),
]
os.makedirs(STATIC_TMP, exist_ok=True)
os.makedirs(STATIC_ROOT, exist_ok=True)

MEDIA_URL = '/media/'
MEDIA_ROOT = MEDIA_DIR

LOGIN_REDIRECT_URL = 'blogapp:post_list'
LOGIN_URL = 'login'

EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_PORT = 587
EMAIL_USE_TLS = True
EMAIL_HOST_USER = os.environ.get('EMAIL_USER')
EMAIL_HOST_PASSWORD = os.environ.get('EMAIL_PASS')

AWS_ACCESS_KEY_ID = os.environ.get('AWS_ACCESS_KEY_ID')
AWS_SECRET_ACCESS_KEY = os.environ.get('AWS_SECRET_ACCESS_KEY')
AWS_STORAGE_BUCKET_NAME = os.environ.get('AWS_STORAGE_BUCKET_NAME')


AWS_S3_FILE_OVERWRITE = False
AWS_DEFAULT_ACL = None
AWS_LOCATION = 'media'

DEFAULT_FILE_STORAGE = 'storages.backends.s3boto3.S3Boto3Storage'

django_heroku.settings(locals())