Question

您好，我最近将视频Django网站部署到了数字海洋。我正在使用 Django 2.08 ， gunicorn 和 nginx 。我将视频显示为带有缩略图的网格，当我发布新视频时，回访者看不到添加的视频，访问者看到了网站的上一个缓存版本。我仅使用django几个月，所以我可能在某个地方遇到了严重的问题，如果问题出在Nginx，gunicorn或django中，我不确定是什么原因导致了这种现象。在下面可以找到我的源文件。有人可以告诉我为什么我看不到带有新数据的最新版本吗？当我想查看新鲜的网站时，我必须再次刷新页面，然后它才可见。

我的设置。py

import os
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
SECRET_KEY = 'supersecretkey'

DEBUG = False

ALLOWED_HOSTS = []

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',    
    'mainSite',
    'django_cleanup',
    'debug_toolbar',
    'django.contrib.sites',
    'django.contrib.sitemaps',
    'axes'
]

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',
    'debug_toolbar.middleware.DebugToolbarMiddleware',
]

CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
    },
    'axes_cache': {
        'BACKEND': 'django.core.cache.backends.dummy.DummyCache',
    }
}

AXES_CACHE = 'axes_cache'
AXES_FAILURE_LIMIT = 5 
AXES_IP_WHITELIST = "127.0.0.1" 
AXES_COOLOFF_TIME = 1 
AXES_BEHIND_REVERSE_PROXY = True
AXES_REVERSE_PROXY_HEADER = 'HTTP_X_REAL_IP'
AXES_META_PRECEDENCE_ORDER = ('HTTP_X_REAL_IP','HTTP_X_FORWARDED_FOR',)

ROOT_URLCONF = 'video.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',
            ],
        },
    },
]

WSGI_APPLICATION = 'video.wsgi.application'

DATABASES = {
    'default': {
    'ENGINE': 'django.db.backends.mysql',
    'NAME': 'video_db',
    'USER':'root',
    'PASSWORD':'123456',
    'HOST':'127.0.0.1',
    'PORT':'3307',
    'OPTIONS': {
            'init_command': "SET sql_mode='STRICT_TRANS_TABLES'"            
        }
    }
}
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_L10N = True

USE_TZ = True

STATIC_URL = '/static/'

STATICFILES_DIRS = [
    os.path.join(BASE_DIR, "static")
]

STATIC_ROOT = os.path.join(BASE_DIR, "static_server") 

MEDIA_ROOT = os.path.join(BASE_DIR, "MEDIA")
MEDIA_URL = '/media/'

这是我的Nginx conf：

upstream app_server {
    server unix:/home/Mischa/Video_web_django/run/gunicorn.sock fail_timeout=0;
}
server {
    server_name domainadress.net;
    listen 80;
    return 301 https://domainadress.net$request_uri;
}
server {
    server_name domainadress.net;
    listen 443 ssl http2;
    ssl on;
    ssl_certificate /etc/ssl/domainadress_net_cert_chain.crt;
    ssl_certificate_key /etc/ssl/domainadress.key;

    gzip on;
    gzip_comp_level    5;
    gzip_min_length    256;
    gzip_proxied       any;
    gzip_vary          on;

    gzip_types
    application/atom+xml
    application/javascript
    application/json
    application/ld+json
    application/manifest+json
    application/rss+xml
    application/vnd.geo+json
    application/vnd.ms-fontobject
    application/x-font-ttf
    application/x-web-app-manifest+json
    application/xhtml+xml
    application/xml
    font/opentype
    image/bmp
    image/svg+xml
    image/x-icon
    text/cache-manifest
    text/css
    text/plain
    text/vcard
    text/vnd.rim.location.xloc
    text/vtt
    text/x-component
    text/x-cross-domain-policy;

    keepalive_timeout 5;
    client_max_body_size 4G;

    expires 7d;
   location ~* ^(?!/media).*.(?:jpg|jpeg|gif|png|ico|cur|gz|mp4|ogg|ogv|webm|htc)$ {
    root /home/Mischa/Video_web_django/video_web/;
        add_header Pragma public;
        add_header Cache-Control "public, must-revalidate, proxy-revalidate";
        access_log off;
    }
    access_log /home/Mischa/Video_web_django/logs/nginx-access.log;
    error_log /home/Mischa/Video_web_django/logs/nginx-error.log;

    location /static/ {
        alias /home/Mischa/Video_web_django/video_web/static_server/;
    }
    location /media/ {
        alias /home/Mischa/Video_web_django/video_web/MEDIA/;
    }


    # checks for static file, if not found proxy to app
    location / {
        try_files $uri @proxy_to_app;
    }

    location @proxy_to_app {
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header X-Forwarded-Proto https; 
      proxy_set_header Host $http_host;
      proxy_redirect off;
      proxy_pass http://app_server;
    }
}

views.py中用于显示缩略图网格的查看功能：

def recent_videos(request, page = 1):  
    recent = Video.objects.filter(published = 1).order_by('-date_added').all()

    page_me = paginatorFunc(recent,40,page)
    items = page_me['items']
    page_range = page_me['page_range']  

    latest_arr = []
    for vid in items:
        create_dic = {'title': vid.title, 'slug':vid.slug, 'duration':vid.duration, 'views':vid.views, 'added': vid.date_added, 'thumb': [th for th in vid.thumbnails.all()]}
        latest_arr.append(create_dic)
    return render(request, 'mainSite/recent.html', {'last': latest_arr, 'items':items, 'page_range':page_range, 'func_name': 'recent_videos'})

此外，我尝试在锚标签的查询参数中添加随机字符串，该标签包装了整个缩略图容器，但没有帮助...然后，我尝试将视频ID添加到缩略图div容器...没有任何帮助。有人可以帮我吗？

Django-Gunicorn-Nginx缓存问题，当我添加新数据时渲染视图不反映更改

0 个答案: