Python Web程序部署到Ubuntu服务器上的方法

adduser haseo
vim /etc/sudoers #将haseo用户加入导sudo用户清单中
sudo usermod -a -G www-data haseo

sudo apt-get update
sudo apt-get -y upgrade
sudo apt-get install build-essential libssl-dev libffi-dev python3-dev #安装一些必要的工具包

python3 -V
sudo apt-get install -y python3-pip
pip3 install virtualenv

mkdir -p /var/www/html/pricing-service

sudo chown haseo:haseo /var/www/html/pricing-service

ssh-keygen
cat ~/.ssh/id_rsa.pub # 复制公钥并增加到GitHub(https://github.com/settings/keys)

git clone git@xxx .

mkdir log

pip3 install virtualenv
python3 -m virtualenv venv # 在pricing-service目录下执行
./venv/bin/pip install -r requirements.txt
./venv/bin/pip install uwsgi

vim ~/myproject/wsgi.py
from flask import Flask
app = Flask(__name__)
@app.route("/")
def hello():
 return "<h1 style='color:blue'>Hello There!</h1>"
if __name__ == "__main__":
 app.run(host='0.0.0.0')
python wsgi.py

vim ~/myproject/wsgi.py
from myproject import app
if __name__ == "__main__":
 app.run()

uwsgi --socket 0.0.0.0:5000 --protocol=http -w wsgi:app

vim ~/myproject/wsgi.ini

[uwsgi]
module = wsgi:app
master = true
processes = 5
socket = socket.sock
chmod-socket = 660
vacuum = true
die-on-term = true

sudo vim /etc/systemd/system/price_service.service

[Unit]
Description=uWSGI instance to serve price_service
After=network.target
[Service]
User=haseo
Group=www-data
WorkingDirectory=/var/www/html/pricing-service
Environment="PATH=/var/www/html/pricing-service/venv/bin"
ExecStart=/var/www/html/pricing-service/venv/bin/uwsgi --ini wsgi.ini
[Install]
WantedBy=multi-user.target

sudo systemctl start price_service
sudo systemctl enable price_service

apt-get install nginx

systemctl status nginx
ip addr show eth0 | grep inet | awk '{ print $2; }' | sed 's/\/.*$//' #获取服务器的IP地址
sudo systemctl start nginx
sudo systemctl reload nginx
sudo systemctl disable nginx # 精致nginx在系统启动的时候启动
sudo systemctl enable nginx

vim /etc/nginx/sites-available/default
server {
  listen 8080; #监听IP
  real_ip_header X-Forwarded-For;
  set_real_ip_from 127.0.0.1; # 告诉Python程序是谁发送的请求
  server_name localhost;
  location / { # 用户访问的根目录比如 http://www.bihell.com/
    include uwsgi_params; # Flask程序需要uwsgi解析
    uwsgi_pass unix:/var/www/html/pricing-service/socket.sock; #uwsgi通过这个文件传递信息
    uwsgi_modifier1 30;
  }
  # 404错误页面配置,下同
  error_page 404 /404.html;
  location = /404.html {
    root /usr/share/nginx/html;
  }
  error_page 500 502 503 504 /50x.html;
  location = /50x.html {
  root /usr/share/nginx/html;
 }
}

sudo ln -s /etc/nginx/sites-available/default /etc/nginx/sites-enabled

sudo nginx -t

sudo systemctl restart nginx