Python - Gunicorn Server Setup

Update server

sudo apt update
sudo apt upgrade

Create new user

adduser ishtiyaq

Add user to sudors list

usermod -aG sudo ishtiyaq

Install python and pip

sudo apt install python3 python3-pip

Copy project code to the server

git clone https://github.com/egorsmkv/simple-django-login-and-register.git mysite

cd mysite

Install and setup pipenv

pip3 install pipenv

vi ~/.bashrc

PYTHON_BIN_PATH="$(python3 -m site --user-base)/bin"
PATH="$PATH:$PYTHON_BIN_PATH"

pipenv install
pipenv shell
pipenv install django
pipenv install gunicorn

python source/manage.py migrate
python source/manage.py collectstatic --no-input

vi app/conf/development/settings.py

allowed_host=['*']

Run gunicorn service to test the server

cd source

gunicorn --bind 0.0.0.0:8000 app.wsgi:application

Nginx server setup

sudo apt install nginx
sudo vi /etc/nginx/sites-enabled/demo.conf

server{
    listen 80;
    server_name 128.199.24.37;

    location / {
            include proxy_params;
            proxy_pass http://unix:/home/ishtiyaq/mysite/source/app.sock;
    }

    location /static/ {
            autoindex on;
            alias /home/ishtiyaq/mysite/source/content/static/;
    }
}

Test nginx configuration

sudo nginx -t

Restart nginx server

sudo systemctl restart nginx

Run gunicorn server to test the deployment

gunicorn --workers 3 --bind unix:/home/ishtiyaq/mysite/source/app.sock app.wsgi:application

Gunicorn daemon setup

sudo apt install supervisor

Get guniocorn path

which gunicorn

# Output:
/home/ishtiyaq/.local/share/virtualenvs/mysite-dJ5dHllL/bin/gunicorn

Create supervisor conf file for gunicorn

vi /etc/supervisor/conf.d/gunicorn.conf

[program:gunicorn]
directory=/home/ishtiyaq/mysite/source/
command=/home/ishtiyaq/.local/share/virtualenvs/mysite-dJ5dHllL/bin/gunicorn --workers 3 --bind unix:/home/ishtiyaq/mysite/source/app.sock app.wsgi:application
autostart=true
autorestart=true
stderr_logfile=/var/log/gunicorn/gunicorn.err.log
strout_logfile=/var/log/gunicorn/gunicorn.out.log

[group:guni]
programs=gunicorn

sudo mkdir /var/log/gunicorn

sudo supervisorctl reread
sudo supervisorctl update
sudo supervisorctl restart all
sudo supervisorctl status

Debugging

tail -f /var/log/gunicorn/gunicorn.err.log
tail -f /var/log/nginx/error.log