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Web Application Installation

The following are instructions on how to setup up your nimbus instance for the first time. If you have already done this you can skip to :ref:`start_server`.

Opening the Nimbus Instance Firewall

Once you've set up the instance you need to open the firewall

https://support.pawsey.org.au/documentation/display/US/Allow+HTTPS+Access+To+Your+Instance

Then make a costum tcp rule for ports 80 and 443, should look like this

figures/nimbus_example.png

Then follow this guide to check things step by step

https://uwsgi-docs.readthedocs.io/en/latest/tutorials/Django_and_nginx.html

The following is examples of how I got it to work.

Goal 1: IP as URL

First try and get it to work with the nimbus IP as the URL. From directory containing manage.py run the command:

uwsgi --socket frb-classifier.sock --module frb_cand.wsgi --chmod-socket=666

and nginx should look like this

upstream django {
   server unix:///home/ubuntu/FRB_candidates_app/frb_cand/frb-classifier.sock;
}

server {
   listen 80;
   server_name <IP>;
   charset     utf-8;

   # max upload size
   client_max_body_size 75M;

   location /static {
      alias /home/ubuntu/FRB_candidates_app/frb_cand/static_host;
   }

   # Finally, send all non-media requests to the Django server.
   location / {
      uwsgi_pass  django;
      include     /home/ubuntu/FRB_candidates_app/frb_cand/uwsgi_params;
   }

}

and make sure the IP is in allowed hosts in settings.py:

ALLOWED_HOSTS = ['127.0.0.1', 'localhost', '<IP>']

Check if the works by using the IP as a URL in your browser.

Perimission errors

If you get a (13: Permission denied) error in the nginx logs here is a helpful fix

https://stackoverflow.com/questions/25774999/nginx-stat-failed-13-permission-denied

Static files errors

If it's not finding the static files then setup the setting.py like this

STATIC_URL = '/static/'
STATICFILES_DIRS = (
   os.path.join(BASE_DIR, "static/"),
)
STATIC_ROOT = os.path.join(BASE_DIR, "static_host/")

then run

python manage.py collectstatic

and update the nginx to

location /static {
   alias /home/ubuntu/FRB_candidates_app/frb_cand/static_host;
}

Try a simple domain

Grab a free subdomain from https://www.duckdns.org/domains that points to your ip then update the url in nginx's severname, and ALLOWED_HOSTS in settings.py

Getting a ssl certificate

Here are instructions on generating a ssl certificate

https://certbot.eff.org/instructions?ws=nginx&os=ubuntufocal