gunicorn | 易学教程

Flask+Nginx+gunicorn部署

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为了大四校内实习，用写一个微信小程序，所以决定用Flask写/注册登录接口写完之后就准备要部署到服务器上首先查看服务器上有无Python3，我的服务器上本来就有Python2.7和Python3.5，然后根据 https://www.cnblogs.com/Yanfang20180701/p/10588087.html 将默认Python版本改为3.5. 查看有无pip3 没有的话apt-get install pip3，安装缺少的python包，如果提示 Unable to locate package python3-pip3 就查看 https://www.cnblogs.com/jp1021/p/9885890.html 如果提示pip3不是最新版本最好不要更新（我更了之后就无法安装Python包了）安装完后，安装mysql 根据 https://blog.csdn.net/james_nan/article/details/82053430 然后将自己的Flask项目上传到服务器比如/root这个目录下项目名称是login 所以整个结构是/root/login/ 然后执行 gunicorn -w 4 -b 127.0.0.1:5000 app:app 第一个app就是引导用的 python 入口文件名称（不包括后缀/模块名）第二个app就是 Flask

Handling all website one-off root static files like favicon.ico reliably and elegantly?

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问题 Perhaps I'm missing something (I hope I am!), but it seems awfully clunky to have to have deal with the one-off root website files requested by the browser, such as favicon.ico and things like apple-touch-icon-precomposed.png (on the iPad). Right now, I'm getting a 500 server error whenever I encounter one of these for which I'm not explicitly serving up a file. My questions: Is there an up-to-date list of all such files for all major browsers that my webapp should be handling? As a failsafe,

Gunicorn gevent worker logging issues

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问题 I have a gunicorn server running with 1 worker. I user the logging module during the request. None of them appear in stdout. I know that gevent workers monkey patch all so I would assume any loggin done during the request should appear on the mainthread stdout. The app parse to gunicorn is the application wsgi from django. gunicorn -c gunicorn.py core.wsgi:application In gunicorn.py I have: bind = '0.0.0.0:8080' backlog = 2048 workers = 1 worker_class = 'gevent' worker_connections = 1000

Gunicorn gevent worker logging issues

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Django AJAX requests during regular request not going through

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问题 I have a Django site with a login webpage. When the login form on the page is submitted, it executes the login view, which runs a function inside it that takes a long time to process (30 seconds or so). So in order to show progress to the client during login, as soon as the form is submitted, a JS function on the login page starts making AJAX POST requests to the server (to a poll_state view), which returns the state of the login. It then updates the html of the login page to show the state

Django: 400 Error with Debug=False and ALLOWED_HOSTS=[“*”]

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问题 I'm trying to run a relatively simple Django server on Python 3.5.3 on an Ubuntu DigitalOcean droplet. I'm using a Gunicorn server with nginx. The server runs fine when DEBUG=True in settings.py . But when I set it to False , I get a 400 error when trying to visit the page. I tried setting ALLOWED_HOSTS = ['*'] , but I still get the same error. I've looked on a lot of forums and many questions on SO but none of the solutions have worked. EDIT Gunicorn logs from startup: [2016-09-13 00:02:01

Static Files not being displayed in Production

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问题 EDITED TO SHOW UPDATED CONFIGURATION No static files are being shown in Production. Files are showing correctly in Development settings.py BASE_DIR = os.path.dirname(__file__) STATIC_ROOT = '/opt/soundshelter/static/' print "Base Dir: " + BASE_DIR #this returns /opt/soundshelter/soundshelter/soundshelter print "Static Root: " + STATIC_ROOT #this returns /opt/soundshelter/static/ STATIC_URL = '/static/' STATICFILES_DIRS = ( os.path.join(BASE_DIR, 'static'), ) #/opt/soundshelter/soundshelter

Can one small portion of an app use gevent, or does the whole app have to switch over?

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问题 I have an already written large app using standard python threading constructs such as threads, queues, normal sockets, and multiprocessing. It has a web frontend implemented using Flask. I want to expose a certain part of the apps state in real time using websockets. I looked into Flask-Sockets which uses gevent and gunicorn. Does my whole app have to use the event-driven model, or can I leave the rest of the blocking code the way it is? (Basic tests seem to having both blocking and evented

Heroku app runs locally but gets H12 timeout error (uses a package)

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问题 Similar questions have been asked but the H12 seems to be caused by many things and none of the answers apply here. I have built python apps with heroku before but now I'm using a package structure per Miguel Grinberg's Flask Mega-Tutorial and I can't figure out what's wrong. My app is python / Flask / SQLAlchemy with a Heroku postgres database. The app fully works locally. When I push to Heroku, I get an H12. Here is my app structure: rootappdirectory\ app\ static\ templates\ __init__.py

UnicodeEncodeError [Python3/Gunicorn/Nginx/Django]

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问题 Solved This error happened when I follow the instruction in here. I set Unit file. I understood that LAN env valuable doens't transfer properly and it used default ascii. You can fix this problem with adding one line in unit file. It was a really long journey to find out.... [service] Environment="LANG=en_US.UTF-8" I didn't have any problem when I set my environment with mod_wsgi and Apache2. I just had to add " export LANG='en_US.UTF-8' export LC_ALL='en_US.UTF-8' " in /etc/apache2/envars