Ubuntu16.04下搭建mysql + uwsgi + nginx环境启动flask 项目

1.安装mysql

Sudo apt-get install mysql

 

配置mysql的数据存储路径,默认在 /var/lib/mysql

sudo cp -R /var/lib/mysql/* /home/applex/mysqldbsudo chown -R mysql:mysql home/applex/mysqldb sudo gedit /etc/mysql/mysql.conf.d/mysqld.cnf

 

将 [mysqld] 组下的 datadir改为:datadir = /home/applex/mysqldb

 

sudo vim /etc/apparmor.d/usr.sbin.mysqld把 /var/lib/mysql r /var/lib/mysql/** rwk 修改成 /home/applex/mysqldb r /home/applex/mysqldb/** rwk

 

 

重启mysql

sudo service apparmor restartsudo service mysql restart或sudo /etc/init.d/apparmor restart sudo /etc/init.d/mysql restart 

 

 

配置msyql编码为utf8

sudo gedit /etc/mysql/mysql.conf.d/mysqld.cnf在[mysqld]下面添加:character-set-server=utf8

 

 

sudo gedit /etc/mysql/conf.d/mysql.cnf
添加
default-character-set=utf8 sudo gedit /etc/mysql/debian.cnf
添加
default-character-set=utf8

 

 

2.配置anaconda3

 

从官网下载当前最新sh安装脚本,执行

bash Anaconda3-2018.12-Linux-x86_64.sh

按照提示安装

 

conda的安装路径中不要包含中文, 根据项目创建虚拟环境并选择python3.6,其他具体操作方法见conda教程

conda create -n myenv python=3.6

 

3.conda环境中部署项目

 

若源码部署方式,conda虚拟环境切换到源码目录,执行

pip install -e .

注意源码目录必须包含setup.py 和  MANIFEST.ini

 

若以模块文件部署方式, conda虚拟环境切换到wheel文件目录,执行

pip install xxx.whl

模块安装后需要指定一个项目启动目录并编写入口文件,如下例:

# [main.py]form myproject import appif ‘__main__’ == __name__:app.run()

可以执行python main.py 启动flask内置服务器来测试打包的项目模块是否可以正常运行

 

 

4.安装uwsgi

 

切换到conda虚拟环境下,用pip安装uwsgi:

conda activate myenvpip install uwsgi

 

安装uwsgi报UnicodeEncoding错误,请确认conda路径是否包含unicode字符(例如中文)

 

安装uwsgi报如下错,安装配置gcc4.7

/home/applex/conda/envs/myproject/compiler_compat/ld: error: lto-wrapper failed:

sudo apt-get install gcc-4.7sudo rm /usr/bin/gcc sudo ln -s /usr/bin/gcc-4.7 /usr/bin/gcc

 

执行uwsgi –help确认uwsgi是否正确安装

 

 

uwsgi –help 查看帮助信息,若报如下错,安装配置libpcre3-dev

uwsgi: error while loading shared libraries: libpcre.so.1: cannot open shared object file: No such file or directory

sudo apt-get install libpcre3 libpcre3-devfind / -name libpcre.so.3 找到 /lib/x86_64-linux-gnu/libpcre.so.3 sudo ln -s /lib/x86_64-linux-gnu/libpcre.so.3 /usr/lib/libpcre.so.1

 

编写uwsgi配置脚本

# [my_uwsgi.ini]# 指定python环境pythonpath = /home/applex/conda/envs/myproject/bin# 启动http地址还是socket地址(用于与代理通信)http = 127.0.0.1:7878# socket = 127.0.0.1:7878# 指定进程数(同process项)workers = 4# 指定线程数threads = 2# 设置日志路径daemonize = /home/applex/myproject/server.log# 设置app启动目录chdir = /home/applex/myproject# 设置app启动文件(也可直接指定文件全路径,无依赖时省略chdir)# 注意引用的py文件不能在调用时启动app实例wsgi-file = ./main.py# 指定application对象实例callable= app

  

启动uwsgi服务器

uwsgi mypath/ my_uwsgi.ini

 

查看uwsgi是否运行

ps -aux | grep uwsgi

 

查看端口号占用

netstat -anp | grep 7878

 

结束uwsgi进程

pgrep uwsgi | xargs kill -s 9

 

在配置的daemonize参数指定的文件中查看错误日志

 

5. 安装redis

sudo apt-get install redis-server

 

6.安装nginx

sudo apt-get install nginx

 

删除/etc/nginx/sites-enabled目录下的default链接,复制/etc/nginx/sites-available/default到/etc/nginx/sites-enabled,并按需求命名为myproject.conf,拷贝uwsgi_params到项目路径以便后期客制

cp /etc/nginx/uwsgi_params /home/applex/myproject/

 

修改myproject.conf,增加:

server {listen 80;listen [::]:80; server_name 127.0.0.1;charset utf-8; # 转发url请求到uwsgi location / { include /home/applex/myproject/uwsgi_params; uwsgi_pass 127.0.0.1:8000; uwsgi_param UWSGI_CHDIR /home/applex/myproject; uwsgi_param UWSGI_SCRIPT main:app; } # 配置nginx处理静态文件 location /static { alias /home/applex/conda/envs/myproject/lib/python3.6/site-packages/myproject/static; }}

  

 

操作nginx服务

sudo service nginx start/stop/reload

 

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