[Errno 13] Permission denied: '/var/www/html/sai/uploads/foods/prawn-malai_QprldrT.jpg'

my error is :

[Errno 13] Permission denied: '/var/www/html/sai/uploads/foods/prawn-malai_QprldrT.jpg'
Request Method:	POST
Request URL:	https://hotelodisha.com/admin/Food/recipe/add/
Django Version:	3.1.5
Exception Type:	PermissionError
Exception Value:	
[Errno 13] Permission denied: '/var/www/html/sai/uploads/foods/prawn-malai_QprldrT.jpg'
Exception Location:	/var/www/html/sai/venv/lib/python3.8/site-packages/django/core/files/storage.py, line 267, in _save
Python Executable:	/var/www/html/sai/venv/bin/python
Python Version:	3.8.5
Python Path:	
['/var/www/html/sai',
 '/usr/lib/python38.zip',
 '/usr/lib/python3.8',
 '/usr/lib/python3.8/lib-dynload',
 '/var/www/html/sai/venv/lib/python3.8/site-packages']
Server time:	Tue, 19 Jan 2021 12:45:05 +0000

I am use Apache2 server . Django project

file location of 000-default.conf file: /etc/apache2/sites-available

Alias /static /var/www/html/sai/static
    <Directory /var/www/html/sai/static>
    	<Files wsgi.py>
        	Require all granted
        </Files>
    </Directory>


    <Directory /var/www/html/sai/Web>
        <Files wsgi.py>
            Require all granted
        </Files>
    </Directory>

    

	# Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
	# error, crit, alert, emerg.
	# It is also possible to configure the loglevel for particular
	# modules, e.g.
	#LogLevel info ssl:warn

	ErrorLog ${APACHE_LOG_DIR}/error.log
	CustomLog ${APACHE_LOG_DIR}/access.log combined

	# For most configuration files from conf-available/, which are
	# enabled or disabled at a global level, it is possible to
	# include a line for only one particular virtual host. For example the
	# following line enables the CGI configuration for this host only
	# after it has been globally disabled with "a2disconf".
	#Include conf-available/serve-cgi-bin.conf
RewriteEngine on
RewriteCond %{SERVER_NAME} =hotelodisha.com
RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]
</VirtualHost>

<VirtualHost *:443>
   ServerName   hotelodisha.com:80
    ServerAlias  hotelodisha.com
    ServerAdmin  "[ MOD SNIP ]"
	#DocumentRoot /var/www/html

	Alias /static /var/www/html/sai/static
    <Directory /var/www/html/sai/static>
    	<Files wsgi.py>
        	Require all granted
        </Files>
    </Directory>


    <Directory /var/www/html/sai/Web>
        <Files wsgi.py>
            Require all granted
        </Files>
    </Directory>

    

	# Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
	# error, crit, alert, emerg.
	# It is also possible to configure the loglevel for particular
	# modules, e.g.
	#LogLevel info ssl:warn

	ErrorLog ${APACHE_LOG_DIR}/error.log
	CustomLog ${APACHE_LOG_DIR}/access.log combined

	# For most configuration files from conf-available/, which are
	# enabled or disabled at a global level, it is possible to
	# include a line for only one particular virtual host. For example the
	# following line enables the CGI configuration for this host only
	# after it has been globally disabled with "a2disconf".
	#Include conf-available/serve-cgi-bin.conf
SSLCertificateFile /etc/letsencrypt/live/hotelodisha.com/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/hotelodisha.com/privkey.pem
Include /etc/letsencrypt/options-ssl-apache.conf
</VirtualHost>

my settings.py

"""
Django settings for Web project.

Generated by 'django-admin startproject' using Django 3.1.5.

For more information on this file, see
https://docs.djangoproject.com/en/3.1/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/3.1/ref/settings/
"""
import os
from pathlib import Path

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent
TEMPLATE_DIR = os.path.join(BASE_DIR, 'templates')
STATIC_DIRS = os.path.join(BASE_DIR, 'static')

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.1/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = this is edited

# 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',
    'WebSetting',
    'HotelBook',
    'Partner',
    'Food',
    'Cart',
    'Customer',
    'mobile',
    'django.contrib.sitemaps'
]
SITE_ID = 1

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',
    'django_user_agents.middleware.UserAgentMiddleware',
    'compression_middleware.middleware.CompressionMiddleware',
]

ROOT_URLCONF = 'Web.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 = 'Web.wsgi.application'

SESSION_ENGINE = "django.contrib.sessions.backends.cache"
SESSION_CACHE_ALIAS = "default"  # or  anything else
CACHES = {
    'default': {
        "BACKEND": "django.core.cache.backends.locmem.LocMemCache",
        "LOCATION": "redis://127.0.0.1:6379/1",
        "OPTIONS": {
            "CLIENT_CLASS": "django_redis.client.DefaultClient",
        }
    }
}

# Database
# https://docs.djangoproject.com/en/3.1/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}

# Password validation
# https://docs.djangoproject.com/en/3.1/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/3.1/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.1/howto/static-files/

STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'static/')
# STATICFILES_DIRS = [STATIC_DIRS, ]
MEDIA_URL = "/images/download/"
MEDIA_ROOT = BASE_DIR

# SMTP Configuration
EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_PORT = 587
EMAIL_USE_TLS = True
EMAIL_HOST_USER = '[ MOD SNIP ]'
EMAIL_HOST_PASSWORD = '[ MOD SNIP ]'


# vim: syntax=apache ts=4 sw=4 sts=4 sr noet

I use database - sqlite3 . i try to upload image file . then this error occur . please help me