HerokuにDjangoをデプロイする際のPostgresの設定

django.db.utils.ProgrammingError: relation "accounts_customuser" does not exist
LINE 1: ...user"."email", "accounts_customuser"."image" FROM "accounts_...

from pathlib import Path
import os
import django_heroku

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'django-insecure-)ac**********************cq&b-'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = ['*']


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'post',
    'accounts',
]

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 = 'appname.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 = 'appname.wsgi.application'


# Database
# https://docs.djangoproject.com/en/3.2/ref/settings/#databases

from socket import gethostname
hostname = gethostname()

if "MacBookAir.local" in hostname:
    # デバッグ環境
    # DEBUG = True 
    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.sqlite3',
            'NAME': BASE_DIR / 'db.sqlite3',
        }
    }
    ALLOWED_HOSTS = ['*'] 
else:
    # 本番環境
    # DEBUG = False
    import dj_database_url
    db_from_env = dj_database_url.config()
    DATABASES = {
        'default': dj_database_url.config()
    }
    ALLOWED_HOSTS = ['*']


# Password validation
# https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators

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/3.2/topics/i18n/

LANGUAGE_CODE = 'ja'

TIME_ZONE = 'Asia/Tokyo'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.2/howto/static-files/

STATIC_URL = '/static/'
STATICFILES_DIRS = (
    os.path.join(BASE_DIR, "static"),
)

# Default primary key field type
# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

AUTH_USER_MODEL = 'accounts.CustomUser'

LOGIN_URL = 'accounts:login'
LOGIN_REDIRECT_URL = 'post:index'

EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'

DEFAULT_FROM_EMAIL = '****.com'
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_PORT = 587
EMAIL_HOST_USER = '****.com'
EMAIL_HOST_PASSWORD = '********'
EMAIL_USE_TLS = True

# mediaフォルダーの場所(BASE_DIR以下のmedia)を登録
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
# mediaのURLを登録
MEDIA_URL = '/media/'

# Activate Django-Heroku.
django_heroku.settings(locals())