Question

Dockerized django app not accessible via web

I am following a tutorial on how to dockerize django with postgres, gunicorn and nginx on an ubuntu 20.04 system. (see as reference: https://testdriven.io/blog/dockerizing-django-with-postgres-gunicorn-and-nginx/ )

Unfortunately while setting up the nginx part of the app I’ve seem to have stumbled accross a problem with setting up the reverse proxy correctly.

When I try to access the django app via <ip-address>:1337 I get ‘The requested resource was not found on this server.’ error.

While I know that this is due to django not being properly served to nginx, but I’m quite new at web deployment and currently at a loss on how to proceed.

The relevant settings:

docker-compose.prod.yml

services:
  web:
    build:
      context: ./app
      dockerfile: Dockerfile.prod
    command: gunicorn hello_django.wsgi:application --bind 0.0.0.0:8000
    expose:
      - 8000
    env_file:
      - ./.env.prod
    depends_on:
      - db
  db:
    image: postgres:12.0-alpine
    volumes:
      - postgres_data:/var/lib/postgresql/data/
    env_file:
      - ./.env.prod.db
  nginx:
    build: ./nginx
    ports:
      - 1337:80
    depends_on:
      - web

volumes:
  postgres_data:

nginx.conf

upstream hello_django {
    server web:8000;
}

server {

    listen 80;

    location / {
        proxy_pass http://hello_django;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;
        proxy_redirect off;
    }

}

nginx Dockerfile

FROM nginx:1.19.0-alpine

RUN rm /etc/nginx/conf.d/default.conf
COPY nginx.conf /etc/nginx/conf.d

settings.py

ALLOWED_HOSTS = ['<ip-address>', 'localhost']

Any help would be really appreciated.


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Hi @mikewinkel !!

Did you, by any chance, find a solution to this particular problem?

I’m struggling with the same problem on a very similar docker django-gunicorn/nginx configuration and I can’t figure it out.

Thanks a lot!

Hi there @mikewinkel,

What I could suggest is checking the error log of both your Nginx and Web containers.

To do that you can run the following command:

  1. docker ps -a

This would return a list of your containers, and then get the container ID and check the logs:

  1. docker logs container_id_here

This will give you more information on why the services are not returning any responses.

Feel free to share the errors here if you wish.

Regards, Bobby