最详细的FLASK项目部署流程（一）

怼烎@ 2023-06-18 14:56 2阅读 0赞

## 不要着急，慢慢的看，一步一步的来，步子大容易扯到蛋。 ##

> 将写好的项目上传到github或者码云上，github和码云可以互通，可以将github上的库直接导入码云。  
> 你要是不会传项目到github或者码云，弄完再来。

#### 一、windows上部署，需要使用虚拟机，VMware Workstation。 ####

**创建虚拟机，作为服务器**  
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**1、安装好项目用到的“Python”**

sudo apt install python
    sudo apt install python-pip

安装中遇到Do you want to continue? \[Y/n\] 填y 回车确定

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如果安装报错，查看这篇文章https://blog.csdn.net/weixin\_43870646/article/details/103362463

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**2、安装虚拟环境“virtualenv”以及“virtualenvwrapper”**  
安装了python-pip后就能使用pip安装包

pip install virtualenv
    pip install virtualenvwrapper

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查看virtualenvwrapper的位置

![在这里插入图片描述][2019120311092520.png]  
![在这里插入图片描述][20191203110948283.png]  
**3、设置环境变量**

sudo apt install vim

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vim ~/.bashrc

![在这里插入图片描述][2019120310370082.png]  
进入后，光标移动到最底层，点击 i 编辑  
输入  
export WORKON\_HOME=~/.virtualenvs  
export VIRTUALENVWRAPPER\_PYTHON=/usr/bin/python3  
export VIRTUALENVWRAPPER\_VIRTUALENV=~/.local/bin/virtualenv  
source ~/.local/bin/virtualenvwrapper.sh

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![在这里插入图片描述][201912031119124.png]  
输入完毕后点击Esc，输入 “ :wq ”保存退出

如果报错virtualenvwrapper.sh: There was a problem running the initialization hooks.  
是因为只安装了python3，virtualenvwrapper.sh中修改一下配置就ok  
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如果报错bash: /usr/locaL/bin/virtualenvwrapper.sh: No such file or directory  
![在这里插入图片描述][20191203112103585.png]  
![在这里插入图片描述][20191203111949461.png]  
正常的流程是这样的

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创建虚拟环境  
mkvirtualenv （虚拟环境名称）flask-env-py

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> 如果创建失败，就重新安装virtualenv  
> sudo apt install virtualenv

## 二、服务器安装ssh、git以及数据库 ##

需要使用xshell5工具

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为了连接xshell工具，需要在虚拟机中安装openssh-server openssh-client

sudo apt install openssh-server openssh-client
    service ssh restart

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![在这里插入图片描述][20191203140532118.png]  
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启动完成之后，就可以使用xshell连接虚拟机了  
查看自己虚拟机的ip地址（ifconfig）

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然后打开xshell，创建连接

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点击确认后，连接虚拟机

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现在我们在xshell上面操作就能控制虚拟机了  
接下来在xshell中切换至root用户，  
如果出现su:Authentication failure  
请查看这篇文章https://blog.csdn.net/weixin\_43870646/article/details/103366484

![在这里插入图片描述][20191203141448781.png]

> 成功之后进入root就是这样的

![在这里插入图片描述][20191203141932386.png]  
接下来，安装git  
因为是root权限，所以可以直接 apt install git

apt install git

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安装数据库，我的项目用的mysql

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzg3MDY0Ng_size_16_color_FFFFFF_t_70 19]  
想使用python操作数据库的话还需要安装一个库libmysqlbd-dev

apt install libmysqld-dev

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以上准备工作完成之后，我们就可以从git服务器上将项目拉下来了

## 三、生产环境下项目的配置 ##

我们进入srv目录，所有的服务器文件全部放在这里 cd /srv

![在这里插入图片描述][2019120314474218.png]  
然后新建一个文件夹（名字严谨一点）  
mkdir KFonline(这是我的项目名称)

![在这里插入图片描述][2019120314483772.png]  
将文件夹init为git文件夹 git init

![在这里插入图片描述][20191203144920329.png]  
再将自己的项目拉服务器上  
git remote add origin https://gitee.com/…/…git  
git pull origin master  
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进入虚拟环境，安装requirement.txt

workon flask-env-py
    pip install -r requirement.txt

![在这里插入图片描述][2019120316052935.png]  
如果无法进入虚拟环境，就在root用户下再创建一个虚拟环境

mkvirtualenv flask-env-py

![在这里插入图片描述][20191203160722506.png]

进入数据库

mysl -u root -p

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创建数据库（与项目的数据库名称一致）

create database kefu charset utf8;

![在这里插入图片描述][20191203161136259.png]

给root用户远程访问的授权  
GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY “root”;  
flush privileges;  
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初始化数据库迁移脚本  
python3 manage.py db init  
因为我的项目db是在manage.py中完成，所以是manage.py,  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzg3MDY0Ng_size_16_color_FFFFFF_t_70 25]  
然后同步数据库 python3 manage.py db migate  
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