# info
# centos 7
# anaconda 2019.03
# python 3.6
# django 2.1
# uwsgi 2.0.18
# nginx 1.16.1

1. 安装基础包

# yum groupinstall "Development tools"
# yum install zlib-devel bzip2-devel pcre-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel
# yum install  pcre pcre-devel pcre-static
# yum install python3-devel
# yum install uwsgi-plugin-python36*

2. 项目目录

linux下创建新用户，用户名为cjc
```
# useradd cjc
```
修改用户密码
```
# passwd cjc
```
用户家目录下创建目录Downloads，Project
```
$ mkdir ~/Downloads/
$ mkdir ~/Project/
```

3. Anaconda

安装wget
```
# yum install wget
```

使用wget将Anaconda下载至~/Downloads/

$ wget https://mirrors.tuna.tsinghua.edu.cn/anaconda/archive/Anaconda3-2019.03-Linux-x86_64.sh

安装Anaconda

$ bash ~/Downloads/Anaconda3-2019.03-Linux-x86_64.sh

刷新环境
```
$ source ~/.bashrc
```

4. 项目环境

使用conda创建虚拟环境My_Django，指定python版本为3.6
```
$ conda create -n My_Django python==3.6
```

5. django

激活虚拟环境My_Django
```
$ conda activate My_Django
```
安装django
```
$ pip install django==2.1
```
在~/Project/目录下生成项目Myweb
```
$ django-admin startproject Myweb
```
生成应用Myapp
```
$ python manage.py startapp Myapp
```

django的简单配置Myweb/Myweb/settings.py

ALLOWED_HOSTS = ['*',]
INSTALLED_APPS = [    
'django.contrib.admin',    
'django.contrib.auth',    
'django.contrib.contenttypes',    
'django.contrib.sessions',    
'django.contrib.messages',    
'django.contrib.staticfiles',    
'Myapp',]
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',            
],       
},   
},
]
LANGUAGE_CODE = 'zh-hans'
TIME_ZONE = 'Asia/Shanghai'
STATIC_URL = '/static/'
STATICFILES_DIRS = (os.path.join(BASE_DIR, 'static'),)
STATIC_ROOT = '/home/cjc/static/'
MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

6. django 首页

Bootstrap下载并将下载后的文件解压到Myweb/static/下

https://v3.bootcss.com/getting-started/#download
Myweb/templates/Myapp/index.html

Myweb/Myapp/views.py

def index(request):    
    return render(request, 'Myapp/index.html')

Myweb/Myweb/urls.py

from django.contrib import adminfrom 
from django.urls import pathfrom 
from Myapp.views import index as Myapp_index
urlpatterns = [
path('admin/', admin.site.urls),    
path('', Myapp_index),]

7. uwsgi

安装uwsgi
```
$ pip install uwsgi
```
在~/Project/Myweb/创建uwsgi.ini文件

How to use Django with uWSGI
```
[uwsgi]
socket = :8000
chdir = /home/cjc/Project/Myweb
module = Myweb.wsgi
master = true
processes = 5
threads = 5
vacuum = true
pidfile = /tmp/Myweb-master.pid
daemonize = /var/log/uwsgi/Myweb.log
```
socket使用套接字连接
chdir项目路径，即包含mysite软件包的目录
module要使用的wsgi模块
master启动主线程
processes启动进程数
threads启动线程数
vacuum服务器退出时自动删除pid
pidfile指定启动时的pid
daemonizeuwsgi日志路径
启动uwsgi
```
$ uwsgi --ini uwsgi.ini
```

其他

# 重新启动
$ uwsgi --reload /tmp/Myweb-master.pid
# 关闭
$ uwsgi --stop /tmp/Myweb-master.pid

8. Nginx

安装nginx
```
# yum install nginx
```

配置nginx，/etc/nginx/nginx.conf

user cjc;
   
       server {
        listen  80;
        server_name  127.0.0.1;

        location / {
            include uwsgi_params;
            uwsgi_pass 127.0.0.1:8000;
            uwsgi_param UWSGI_SCRIPT Myweb.wsgi;
            uwsgi_param UWSGI_CHDIR /home/cjc/Project/Myweb;
            client_max_body_size 35m;
        }

        location /static {
            alias /home/cjc/static;
        }

    }

开启nginx服务
```
# systemctl start nginx
```

其他

# 重新启动
# systemctl restart nginx
# 关闭
# systemctl stop nginx

9. 可能遇到的问题

uwsgi安装需要gcc，pcre

# log
!!! no internal routing support, rebuild with pcre support !!!

nginx报错502
关闭firewall

# systemctl stop firewalld

关闭selinux

# 临时关闭
setenforce 0
# 查看selinux状态
getenforce
# 永久关闭（需要重新启动）
vim /etc/selinux/config
SELINUX=disabled

静态文件访问
配置STATIC_ROOT，并使用python manage.py collectstatic收集静态文件，配置nginx的/static,配置nginx中的user

xcjchao

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