Build A Website With Python-Flask and Nginx

create.sh

#!/bin/bash

# Build A Website With Python-Flask and Nginx
# Doc:  http://yieldnull.com/blog/0b2e0169df807bec78b3ad3eea87105a2e5299c6/
#       http://yieldnull.com/blog/cd7be487eb5148eb4aa905543c1fd1396b618a6b/
# Author: YieldNull
# Updated On: 2016/02/25

if [ ! $# = 3 ] ; then
    echo "Args: project_name port domain_name"
    exit
fi

project=$1  # project name
port=$2  # project port
domain=$3  # domain name

# program directory
directory="/srv/www/$1"
sudo mkdir -p $directory/app
sudo mkdir -p $directory/log
sudo mkdir -p $directory/files

# nginx
nginx_file="/etc/nginx/sites-available/$project"
nginx_conf="server {
    listen      80;

    root  $directory/app;
    access_log $directory/log/access_log;
    error_log  $directory/log/error_log;

    server_name $3;

    location ~ ^\/static\/.*$ {
        root $directory/app;
    }

    location ~ ^\/files\/.*$ {
	    root $directory/files;
    }

    location / {
        proxy_pass       http://127.0.0.1:$port;
        proxy_set_header X-Real-IP \$remote_addr;
        proxy_set_header Host \$host;
        proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
    }
}"

echo "$nginx_conf" | sudo tee $nginx_file
sudo chmod 644 $nginx_file
sudo ln -s $nginx_file /etc/nginx/sites-enabled/$project

# supervisor 
supervisor_file="/etc/supervisor/conf.d/$project.conf"
supervisor_conf="
[program:$project]
command         = $directory/venv/bin/gunicorn --bind 127.0.0.1:$port --workers 1 --worker-class gevent app:app
directory       = $directory/app
user            = git
startsecs       = 3

redirect_stderr         = true
stdout_logfile_maxbytes = 50MB
stdout_logfile_backups  = 10
stdout_logfile          = $directory/log/supervisor.log"

echo "$supervisor_conf" | sudo tee $supervisor_file

# virtualenv
sudo virtualenv $directory/venv
sudo chmod -R 777 $directory/venv
source $directory/venv/bin/activate
pip install gunicorn gevent
deactivate
sudo chmod -R 755 $directory/venv 
sudo chown -R www-data:www-data $directory
sudo chown -R git:git $directory/app
sudo chown -R git:git $directory/venv

# git 
git_dir="/srv/git/$project.git"
hook_file="$git_dir/hooks/post-receive"
hook_shell="#!/bin/bash
read oldrev newrev refname

if [ "'"$refname"'" = "\"refs/heads/master\"" ] ; then
    # if master branch is pushed
    GIT_WORK_TREE=$directory/app git checkout -f
    source $directory/venv/bin/activate
    pip install -r $directory/app/requirements.txt
    deactivate
    supervisorctl reload $project
fi
"

sudo mkdir -p /srv/git
sudo git init --bare $git_dir
echo "$hook_shell" | sudo tee $hook_file 

sudo chmod 755 $hook_file
sudo chown -R git:git $git_dir
sudo chown -R $USER:$USER $directory/app
git clone git@127.0.0.1:/srv/git/$project.git $directory/app
sudo chown -R git:git $directory/app

sudo service nginx restart
sudo supervisorctl reload