HOW TO SET UP DJANGO WITH POSTGRES AND NGINX ON UBUNTU 20.04

Introduction

Django is a powerful web framework that can help you get your Python application or website   off the ground. Django includes a simplified development server for testing your code locally, but for anything even slightly production related, a more secure and powerful web server is required.

First creating a new user

  •  adduser username 

Grant administrative privileges

  • usermod -aG username

Set up a firewall 

  • ufw app list
  • ufw allow openSSH
  • ufw enable

Switch to new user 

  •  su  username

Installing the packages

  • sudo apt update
  • sudo apt install python3-pip python3-dev libpq-dev postgresql postgresql-contrib nginx curl

Login to interactive postgres session

  • sudo  -u postgres psql

Create a database,user for your project

CREATE DATABASE myproject;

  • CREATE USER myprojectuser  WITH PASSWORD ‘password’;
  • ALTER ROLE myprojectuser SET client_encoding TO ‘utf8’;
  • ALTER ROLE myprojectuser SET default_transaction_isolation TO ‘read committed’;
  • ALTER ROLE myprojectuser SET timezone TO ‘UTC’;
  • GRANT ALL PRIVILEGES ON DATABASE myproject TO myprojectuser;
  • exit

Create Virtual Environment for your Project

  • sudo -H pip3 install –upgrade pip
  • sudo -H pip3 install virtualenv
  • mkdir ~/myprojectdir
  • cd ~/myprojectdir
  • virtualenv myprojectenv

Activate the virtual environment

  • source myprojectenv/bin/activate

Install Django

  • pip install django 

Create django project

  •  django-admin.py startproject myproject ~/myprojectdir
  • nano ~/myprojectdir/myproject/settings.py

(change & add the following)

. . .

ALLOWED_HOSTS = [‘your_server_domain_or_IP’, ‘second_domain_or_IP’, ‘localhost’]

. . .

DATABASES = {

    ‘default’: {

        ‘ENGINE’: ‘django.db.backends.postgresql_psycopg2’,

        ‘NAME’: ‘myproject’,

        ‘USER’: ‘myprojectuser’,

        ‘PASSWORD’: ‘password’,

        ‘HOST’: ‘localhost’,

        ‘PORT’: ”,

    }

}

. . .

. . .

STATIC_URL = ‘/static/’

import os

STATIC_ROOT = os.path.join(BASE_DIR, ‘static/’)

Migrate the initial database schema to our PostgreSQL database

  • ~/myprojectdir/manage.py makemigrations
  • ~/myprojectdir/manage.py migrate

Create Administrative user for project

  • ~/myprojectdir/manage.py createsuperuser

Collect all of the static content into the directory location

  • ~/myprojectdir/manage.py collectstatic

Create an exception for port 8000

  • sudo ufw allow 8000

Finally,start up the Django development server

  • ~/myprojectdir/manage.py runserver 0.0.0.0:8000

In your web browser, visit your server’s domain name or IP address followed by :8000

  • http://server_domain_or_IP:8000

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