from django.conf import settings

 from django.core.wsgi import get_wsgi_application

 from gunicorn.app.base import Application

 # gunicorn 一个Python WSGI UNIX的HTTP服务器，按我的理解，它的作用可能就是用来代替django自带server的。

 # 有了它就不用自带的runserver了，自带的server只能单线程运行，而这个能并发多线程。

 class Server(Application):

     """

     服务器实现类

     """

     def __init__(self, ready_hook=None, fork_hook=None):

         """

         初始化

         """

         # 服务配置

         self.config = dict(

             worker_class="gthread",

             worker_connections=5000,

             backlog=2048,

             threads=1,

             daemon=True,

             keyfile=settings.SERVER_SSL_KEY,

             certfile=settings.SERVER_SSL_CERT,

             post_worker_init=ready_hook,

             post_fork=fork_hook,

             user=settings.SERVER_USER,

             group=settings.SERVER_GROUP,

             bind=settings.SERVER_BIND,

             workers=settings.SERVER_WORKERS,

             pidfile=settings.SERVER_PID

         )

         self.application = get_wsgi_application()

         super().__init__()

     def load_config(self):

         """

         加载配置

         """

         config = dict([(key, value) for key, value in self.config.items()

                        if key in self.cfg.settings and value is not None])

         for key, value in config.items():

             self.cfg.set(key.lower(), value)

     def load(self):

         """

         加载应用

         """

         return self.application

settings.py

DATABASES = {

    "default": {

        "ENGINE": "django.db.backends.mysql",

        "NAME": "",

        "USER": "",

        "PASSWORD": "",

        "HOST": "",

        "PORT": "",

        "CONN_MAX_AGE":3600

    }

}