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CentOS7.4部署Python3+Django+uWSGI+Nginx

showerlee 2018-04-20 18:18 Django, Programming 阅读 (2,399) 抢沙发

安装环境

Remote: CentOS 7.4 x64 (django.example.com)

Python: Python3.6.5

Django: Django 2.0.4

nWSGI:  uwsgi-2.0.15

Nginx:  nginx- 1.10.2-1.el6

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 altinstall

3.安装virtualenv

# pip3.6 install --upgrade pip

# pip3.6 install virtualenv

三. Nginx配置

1. 安装nginx package

# yum install nginx -y

2.配置nginx with nWSGI

# vi /etc/nginx/conf.d/django.conf

server {
    listen  80;
    server_name  django.example.com;  

    charset utf-8;

    access_log  /var/log/nginx/django_access.log;
    error_log   /var/log/nginx/django_error.log;
    
    location = /favicon.ico { access_log off; log_not_found off; }

    location /static/ {
        root /usr/share/nginx/html/django.example.com;
    }

    client_max_body_size 20M;
    
    location / {
        include         uwsgi_params;
        uwsgi_pass      unix:/etc/uwsgi/uwsgi-django.sock;
        uwsgi_read_timeout 30s;
        uwsgi_send_timeout 30s;
    }

}

四. Django+uWSGI配置

1. uWSGI配置

# mkdir -p /etc/uwsgi

# vi /etc/uwsgi/uwsgi-django.ini

[uwsgi]
project = django.example.com
base = /data/www

chdir = %(base)/%(project)
home = %(base)/%(project)/.py3env
module = myproject.wsgi:application

pidfile = /tmp/uwsgi-master-django.pid

master = true
processes = 2
enable-threads = true

# use unix socket because it is more secure and faster than TCP socket
socket = /etc/uwsgi/uwsgi-django.sock
chmod-socket = 660
uid = nginx
gid = nginx

vacuum = true
die-on-term = true

logto = /var/log/nginx/uwsgi-django.log

2. 配置Django base folder

# cd /usr/share/nginx/html

# mkdir django.example.com

# cd django.example.com

# virtualenv -p /usr/local/bin/python3 .py3env

3. 开启virtualenv python3环境

# source .py3env/bin/activate

4. 在此环境安装Django相关模块

# pip install django uwsgi PyMySQL

5. 创建uWSGI启动脚本

# mkdir -p /etc/uwsgi/bin

# vi /etc/systemd/system/uwsgi-django.service

[Unit]
    Description=uWSGI instance to serve myproject

[Service]
    BASE=/data/www/django.example.com
    ENV=$BASE/.py3env
    ExecStartPre=-/usr/bin/bash -c 'chown -R nginx:nginx /etc/uwsgi'
    ExecStart=/usr/bin/bash -c 'source /usr/share/nginx/html/django.example.com/.py3env/bin/activate; uwsgi --ini /etc/uwsgi/uwsgi-django.ini'

[Install]
    WantedBy=multi-user.target

五. Django项目配置

1. 保证virtualenv python3环境开启

# cd /usr/share/nginx/html/django.example.com/

# source .py3env/bin/activate

2.创建一个Django项目

# 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('/usr/share/nginx/html/django.example.com')

from django.core.wsgi import get_wsgi_application

application = get_wsgi_application()

8.添加ALLOWED_HOSTS

# vi myproject/settings.py

Update:

ALLOWED_HOSTS = ['django.example.com']

9. 修改权限(可执行并保持与nginx启动user一致)

# chmod -R 755 /etc/uwsgi

# chown -R nginx:nginx /etc/uwsgi

# chmod -R 755 /usr/share/nginx/html/django.example.com

# chown -R nginx:nginx /usr/share/nginx/html/django.example.com

10.启动nginx+uwsgi

# systemctl restart nginx

# systemctl restart uwsgi-django

展示效果(保证Windows本地host文件能够解析django.example.com)

Finished...

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