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docker:搭建一個基本版django生產環境的docker映象

1、pull一個基本系統映象到本地

執行以下命令:
docker pull ubuntu:14.04 

2、進入ubuntu映象

docker run -it ubuntu:14.04

3、安裝相關程式

執行以下命令:
 vi /etc/apt/source.list  // 修改apt源
輸入以下源:
deb http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse
 apt-get update
 apt-get install vim
 apt-get install python3-pip  //該映象預設自帶python3所以要安裝python3-pip
mkdir  ~/.pip/  //建立路徑
vim ~/.pip/pip.conf  //修改pip源
輸入以下pip源:
[global]
index-url = http://pypi.douban.com/simple
trusted-host = pypi.douban.com
disable-pip-version-check = true
timeout = 120
pip3 install uwsgi  // 安裝uwsgi
apt-get install nginx  //安裝nginx
pip3 install django==1.8.3  //安裝1.8.3版本的django

4、建立一個django專案

sudo cd root 
sudo django-admin startproject DockerDjangoTest

5、建立uwsgi配置檔案

vim /root/docker-django-test-uwsgi.ini
輸入以下內容:
[uwsgi]
master = true
chdir = /root/DockerDjangoTest  //django專案路徑
processes = 4
http = 0.0.0.0:8888  //uwsgi在映象中該專案的執行埠
daemonize = /root/uwsgi.log
wsgi-file = DockerDjangoTest/wsgi.py  //django中的wsgi檔案
daemonize = /root/docker-django-test-uwsgi.log

6、配置nginx

sudo vim /etc/nginx/conf.d/docker-django-test-nginx.conf
輸入以下內容:
upstream docker-django-test {
    server 0.0.0.0:8888;  //指向uwsgi的地址
}
server {
    listen 8010;
    server_name 0.0.0.0;
    charset utf-8;
    client_max_body_size 75M;
    location /media {
        alias /root/DockerDjangoTest/media;
    }
    location /static {
        alias /root/DockerDjangoTest/static;
    }
    location / {
        proxy_pass http://docker-django-test;
    }
}

7、重啟nginx

sudo service nginx restart

8、寫啟動指令碼

sudo vim /root/start-django.sh
輸入以下內容:
#! / bin/sh
service nginx restart;
uwsgi --ini /root/docker-django-test-uwsgi.ini;
tail -100f /var/log/nginx/access.log;
 // 上行有重要作用,使得到時候docker啟動該映象並運該指令碼的時候,容器會繼續執行,而不會退出。
//(因為前邊兩行為後臺程式,執行完就沒有了,docker會認為是容器命令執行完畢,而把容器關掉。而有了最後一行的前臺命令,容器就會持續執行)

9、修改啟動指令碼許可權

 chmod 777 /root/start-django.sh

10、退出容器,並commit容器為映象

exit
sudo docker ps -a
找到最新一條記錄的id
sudo docker commit -m "init django env on ubuntu:14.04" [id] [name]/[image-name]

11、在主機中重新執行該容器

docker run -d -p 0.0.0.0:8010:8010 [name]/[image-name] sh /root/start-django.sh
// 意思是以守護程序的形式啟動映象,並且把本機的8010埠對映到容器中的8010  
//(之前配置的nginx監聽的埠) 並執行sh /root/start-django.sh指令碼(啟動django相關服務)