thinkhk 发表于 2018-11-17 12:35:13

CentOS7.4 部署 Django + Python3 + Apache + Mod_wsgi

安装环境


[*]Remote: CentOS 7.4 x64 (django.example.com)
[*]Python: Python3.6.5
[*]Apache: Apache 2.4.6
[*]Mod_wsgi: 4.6.4
[*]Django: Django 2.0.4
一. 系统环境配置
  1.关闭 iptables 和 selinux
  

# su - root  
# service iptables stop
  
# setenforce 0
  
# vi /etc/sysconfig/selinux
  

  修改
  

SELINUX=disabled  

  2.添加本地 host DNS
  

# vi /etc/hosts  
127.0.0.1    django.example.com
  

二. Python 配置
  1.安装 python3.6.5 源及依赖包
  

# yum install epel-release -y  

  
# yum groupinstall "Development tools" -y
  

  
# yum install zlib-devel bzip2-devel openssl-devel ncurses-devel zx-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel -y
  

  2.编译安装 python3.6.5 以及 pip package manager
  

# wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tar.xz --no-check-certificate  

  
# tar xf Python-3.6.5.tar.xz
  

  
# cd Python-3.6.5
  

  
# ./configure --prefix=/usr/local --with-ensurepip=install --enable-shared LDFLAGS="-Wl,-rpath /usr/local/lib"
  


  
# make && make>  

  3.安装 virtualenv
  

# pip3.6 install --upgrade pip  

  
# pip3.6 install virtualenv
  

三. Django 环境配置


[*]  配置 Django virtualenv
  

# mkdir -p /var/www/html/django  
# cd /var/www/html/django
  
# virtualenv -p /usr/local/bin/python3.6 .py3env
  


[*]  开启 virtualenv python3 环境
  

# source .py3env/bin/activate  


[*]在此环境安装 Django 相关模块  

# pip install django pymysql
四. Apache 配置


[*]安装 apache package  

# yum install httpd httpd-devel -y
  2.安装 mod_wsgi for python3
  Tip:这里其实是一个远古巨坑, 网上 90% 以上资料的会粗心的直接使用   yum install mod_wsgi 去安装 apache mod_wsgi 模块, 这样做其实最终 mod 模块会调用本地默认的 python2 的所有库文件, 无论你后面如何配置 django 入口文件, apache 都不会使用我们配置的 virutalenv 下隔离的 python3, 导致 apache 无法调用 python3 而报错. 这里小伙伴要注意哦.
  

# pip install mod_wsgi   

  3.导出 apache 所需的 mod_wsgi 模块
  

# mod_wsgi-express install-module  

LoadModule wsgi_module "/usr/lib64/httpd/modules/mod_wsgi-py36.cpython-36m-x86_64-linux-gnu.so"  

  
WSGIPythonHome "/var/www/html/.py3env"
  

  4.配置 apache 配置文件
  

# vi /etc/httpd/conf/httpd.conf  

  末行添加:
  

LoadModule wsgi_module "/usr/lib64/httpd/modules/mod_wsgi-py36.cpython-36m-x86_64-linux-gnu.so"  

# vi /etc/httpd/conf.d/django.conf  

Alias /static /var/www/html/django/static  

  
Require all granted
  

  

  

  
  Require all granted
  
  

  

  
WSGIPythonHome "/var/www/html/django/.py3env"
  

  
Listen 8080
  

  

  
ServerName django.example.com
  

  
WSGIDaemonProcess myproject python-path=/var/www/html/django/.py3env/lib/python3.6/site-pachages
  
WSGIScriptAlias / /var/www/html/django/myproject/wsgi.py
  

  

  

  5.重启 apache 并设置开机自启动
  

# systemctl restart httpd  

  
# systemctl enable httpd
  

五. Django 项目配置


[*]保证 virtualenv python3 环境开启  

# source /var/www/html/django/.py3env/bin/activate
  2.创建一个 Django 项目
  

# cd /var/www/html/django/  

  
# django-admin startproject myproject .
  

  3.添加 static 目录
  

# vi myproject/settings.py  

  末行添加:
  

STATIC_ROOT = os.path.join(BASE_DIR, "static/")  

  4.创建本地 SQLlite 文件
  Tip:这里使用 SQLlite 代替其他数据库作为我们项目的 DB
  

# ./manage.py makemigrations  

  
# ./manage.py migrate
  

Operations to perform:  Apply all migrations: admin, auth, contenttypes, sessions
  
Running migrations:
  Applying contenttypes.0001_initial... OK
  Applying auth.0001_initial... OK
  Applying admin.0001_initial... OK
  Applying admin.0002_logentry_remove_auto_add... OK
  Applying contenttypes.0002_remove_content_type_name... OK
  Applying auth.0002_alter_permission_name_max_length... OK
  Applying auth.0003_alter_user_email_max_length... OK
  Applying auth.0004_alter_user_username_opts... OK
  Applying auth.0005_alter_user_last_login_null... OK
  Applying auth.0006_require_contenttypes_0002... OK
  Applying auth.0007_alter_validators_add_error_messages... OK
  Applying auth.0008_alter_user_username_max_length... OK
  Applying auth.0009_alter_user_last_name_max_length... OK
  Applying sessions.0001_initial... OK
  

  5.创建项目管理员账户
  

# ./manage.py createsuperuser  

Username (leave blank to use 'root'): root  
Email address: admin@admin.com
  
Password:
  
Password (again):
  
Superuser created successfully.
  

  6.生成项目静态文件目录
  

# ./manage.py collectstatic  

  7.修改 wsgi 入口文件
  

# vi myproject/wsgi.py  

import os  
import sys
  
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "myproject.settings")
  
sys.path.append('/var/www/html/django')
  

  
from django.core.wsgi import get_wsgi_application
  

  
application = get_wsgi_application()
  

  8.添加ALLOWED_HOSTS
  

# vi myproject/settings.py  

ALLOWED_HOSTS = ['django.example.com']  

  Update:
ALLOWED_HOSTS = ['django.example.com']  

  9.修改项目属主和权限
  

# chmod -R 755 /var/www/html  

  
# chown -R apache:apache /var/www/html
  

  查看最终目录下的生成的项目文件
  

# ls -l  

-rwxr-xr-x 1 apache apache 38912 Apr 16 15:04 db.sqlite3  
-rwxr-xr-x 1 apache apache   541 Apr 16 14:50 manage.py
  
drwxr-xr-x 3 apache apache4096 Apr 16 15:21 myproject
  
drwxr-xr-x 3 apache apache4096 Apr 16 15:05 static
  

  最终浏览器访问 django 项目
  Tip:保证 windows 本地添加 django 服务器的 HOST 域名
  django 测试页面

  项目主页, 输入之前创建的管理员账号密码

  项目后台

  Finished...

  转载|本文由(showerlee)原创
  原文链接:http://www.showerlee.com/archives/2511


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