【BUG】NGINX+GUNICORN+DJANGO出现400错误

配置Nginx+Gunicorn+Django时，发现所有请求都是返回Bad Request (400)。

1. django的settings.py配置ALLOWED_HOSTS = [*]

2. 配置nginx反向代理proxy_set_header Host $host;

   proxy_redirect off;
   proxy_set_header Host $host;
   proxy_set_header X-Real-IP $remote_addr;
   proxy_set_header X-Forwarded-For $remote_addr;
   client_max_body_size 20m;
   client_body_buffer_size 256k;
   proxy_connect_timeout 90;
   proxy_send_timeout 90;
   proxy_read_timeout 90;
   proxy_buffer_size 128k;
   proxy_buffers 4 64k;
   proxy_busy_buffers_size 128k;
   proxy_temp_file_write_size 128k;