Django application deployment by using uwsgi, Nginx

This blog is about how to deploy a Django application by using uwsgi Nginx.

Dependency needed:

Ubuntu 18.04
Python 3
Django > 2
Nginx

Install required packages using apt

sudo apt install nginx
sudo apt update
sudo apt install -y python3-pip
sudo apt install build-essential libssl-dev libffi-dev python3-dev

Let’s assume you already know python virtual environment and you already install in your pc.
Install required packages using pip

pip install django
pip install uwsgi

you have successfully installed the library in your pc now we can start the deployment.

Creating a Django project

django-admin startproject mysite

Test your Django project.

make sure that your mysite project works:

python manage.py runserver 0.0.0.0:8000

And if that works, run it using uWSGI:

uwsgi --http :8000 --module mysite.wsgi

Testing is done, now our application will run in demon mode.

create sock file and log with proper permission

touch /tmp/mysite.sock
touch /var/log/mysite.log

create a django_uwsgi.ini in the project root directory.

[uwsgi]
# Django-related settings
# the base directory (full path)
chdir=/var/www/html/mysite
# Django's wsgi file
module=mysite.wsgi
# the virtualenv (full path)
home=/root/envDjango
# process-related settings
# master
master          = true
# maximum number of worker processes
processes       = 10
# the socket (use the full path to be safe
socket          = /tmp/mysite.sock
# ... with appropriate permissions - may be needed
#chmod-socket    = 666
#uid = www-data
#gid = www-data
env = DJANGO_SETTINGS_MODULE=bdalljob.settings
# clear environment on exit
vacuum          = true
# for graceful reloading project
pidfile=./pid_5000.pid
# uwsgi log write in this location
daemonize=/var/log/mysite.log
#max-requests = 5000

Run application, make sure you are in the project root directory

uwsgi --ini uwsgi.ini

make sure uWSGI is up

ps axu | grep uwsgi

reload uwsgi

uwsgi --reload pid_5000.pid

stop uWsgi

uwsgi --stop pid_5000.pid

Now we will configure Nginx, create mysite conf

touch /etc/nginx/sites-available/mysite.conf

open mysite by using nano mysite.conf add below configuration

server {
        listen       80;
        server_name  mysite.com;
        charset utf-8;
location / {
            include             uwsgi_params;
            uwsgi_pass          unix:/tmp/mysite.sock;
            proxy_redirect      off;
            proxy_set_header    Host $host;
            proxy_set_header    X-Real-IP $remote_addr;
            proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header    X-Forwarded-Host $server_name;
        }
}

make available your conf in Nginx sites enable

sudo ln -sf /etc/nginx/sites-available/mysite.conf /etc/nginx/sites-enabled/mysite.conf

restart Nginx

sudo /etc/init.d/nginx restart

now you can check mysite.com by using it in the host file.

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