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Django EC2 Deployment

Django Setup

  • Create an Server with Ubuntu Image.

  • Allow TCP traffic to port 8000 in the security group.

  • Check for python version

python3 --version
  • Install pip
sudo apt update
sudo apt install python3-pip

  • Clone the repository (https://github.com/Prabin-Kumar-Baniya-NP/Vaccination-Scheduling-App.git)

  • Move to the repository and create a virtual environment

sudo apt install python3.10-venv
python3 -m venv env
  • Then, activate the virtual environment
source env/bin/activate
  • Install the dependencies
pip3 install -r requirements.txt

  • Move to the project root (where manage.py file is located) and Create .env files and set the dubug to True and add a secret key.

  • Open settings.py file and write * to the list of allowed host. It will allow all the ip address to host this application.

  • Move to the project root directory and migrate the changes to SQlite Database.

python3 manage.py migrate
  • Collect the static files.
python3 manage.py collectstatic
  • Compile the .po files for Hindi language.
sudo apt install gettext
python3 manage.py compilemessages
  • Check whether gunicorn is installed. If not, then install gunicorn.
pip3 install gunicorn
  • Start the gunicorn workers.
gunicorn mysite.wsgi --bind 0.0.0.0:8000 --workers=2

Setting up Gunicorn Web Server

  • Create a gunicorn socket file
sudo nano /etc/systemd/system/gunicorn.socket

[Unit]
Description=gunicorn socket

[Socket]
ListenStream=/run/gunicorn.sock

[Install]
WantedBy=sockets.target
  • Create a gunicorn service file
sudo nano /etc/systemd/system/gunicorn.service

[Unit]
Description=gunicorn daemon
Requires=gunicorn.socket
After=network.target

[Service]
User=ubuntu
Group=ubuntu
WorkingDirectory=/home/ubuntu/Vaccination-Scheduling-App/mysite/
ExecStart=/home/ubuntu/Vaccination-Scheduling-App/env/bin/gunicorn mysite.wsgi:application --bind unix:/run/gunicorn.sock --workers 2

[Install]
WantedBy=multi-user.target
  • Start the socket
sudo systemctl start gunicorn.socket
  • Check the status of socket
sudo systemctl status gunicorn.socket
  • Start the gunicorn service
sudo systemctl start gunicorn.service
  • Check the status of gunicorn service
sudo systemctl status gunicorn.service

You will get to see something like this

Jun 19 03:22:00 ip-172-31-6-82.ap-south-1.compute.internal gunicorn[27584]: [2023-06-19 03:22:00 +0000] [27584] [INFO] Starting gunicorn 20.1.0
Jun 19 03:22:00 ip-172-31-6-82.ap-south-1.compute.internal gunicorn[27584]: [2023-06-19 03:22:00 +0000] [27584] [INFO] Listening at: unix:/run/gunicorn.sock (27584)
Jun 19 03:22:00 ip-172-31-6-82.ap-south-1.compute.internal gunicorn[27584]: [2023-06-19 03:22:00 +0000] [27584] [INFO] Using worker: sync
Jun 19 03:22:00 ip-172-31-6-82.ap-south-1.compute.internal gunicorn[27585]: [2023-06-19 03:22:00 +0000] [27585] [INFO] Booting worker with pid: 27585
Jun 19 03:22:00 ip-172-31-6-82.ap-south-1.compute.internal gunicorn[27586]: [2023-06-19 03:22:00 +0000] [27586] [INFO] Booting worker with pid: 27586

Setting up Nginx

  • Install nginx
sudo apt install nginx
  • Check the status of nginx, if its inactive, start it
sudo systemctl status nginx
sudo systemctl start nginx
  • Move to sites available directory
sudo cd /etc/nginx/sites-available/

  • Delete the default file

  • Move to sites enabled directory

sudo cd /etc/nginx/sites-enabled/

  • Delete the default file

  • Now, move to sites-available folder and Create a file named django

sudo nano /etc/nginx/sites-available/django

server {
    listen 80;

    location / {
        proxy_pass http://unix:/run/gunicorn.sock;
        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-Proto $scheme;
    }
}
  • Now, activate the configuration
sudo ln -s /etc/nginx/sites-available/django /etc/nginx/sites-enabled
  • Restart nginx
sudo systemctl restart nginx

Static files via Nginx

  • Generate a secret key
python manage.py shell
>>> from django.core.management.utils import get_random_secret_key
>>> get_random_secret_key()
  • Add the secret key to the .env file

  • Set debug to False in .env file

  • Restart the gunicorn service

[Test the app in private mode]

  • To serve static files by nginx, open /etc/nginx/sites-available/django and add
location /static/ {
        alias /home/ubuntu/Vaccination-Scheduling-App/mysite/staticfiles/;
    }

[Nginx will throw 403 Forbidden on serving files]

  • Open nginx.conf (from /etc/nginx/) and change the user
user ubuntu;

[Check whether nginx can serve the static files]

Also restart nginx

sudo systemctl restart nginx

Media files via Nginx

  • To serve media files by nginx, open /etc/nginx/sites-available/django and add
location /media/ {
        alias /home/ubuntu/Vaccination-Scheduling-App/mysite/media/;
}

Also restart nginx

sudo systemctl restart nginx

Configure Email Backend

Add this in settings.py file

EMAIL_BACKEND = "django.core.mail.backends.smtp.EmailBackend"

EMAIL_USE_TLS = True
EMAIL_HOST = ""
EMAIL_PORT = "" 
EMAIL_HOST_USER = ""  
EMAIL_HOST_PASSWORD = ""

in the email.py file, add the from value

email = EmailMessage(subject, message, to=[to_email], from_email=EMAIL_HOST_USER)

Securing the website via HTTPS [Incompleted]

Install certbot

sudo apt install certbot python3-certbot-nginx

Open /etc/nginx/sites-available/django and then add server name

server_name prabinkumarbaniya.tech www.prabinkumarbaniya.tech;

A Record - For IPv4
AAA Record - For IPv6
CNAME - it point to another host. Example: www.prabinkumarbaniya.tech can have cname record prabinkumarbaniya.tech