Question

Django website DisallowedHost error

I followed the tutorial here: https://docs.digitalocean.com/tutorials/app-deploy-django-app/. I am getting the DisallowedHost error when trying to visit my web app at https://pulseapp-4av7x.ondigitalocean.app/.

I’ve tried adding the name of the site to allowed hosts to no avail. Right now I’m using DJANGO_ALLOWED_HOSTS as an environment variable, with ${APP_DOMAIN} as the value as the tutorial tells me to do, but it’s not working.

Any help with this would be appreciated.

Kind regards,

David

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KFSys
Site Moderator
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• March 11, 2022

Hi @,

Just to be sure, confirm you’ve configured the following part of the tutorial as well:

For your Django app to function, you need to set the following environment variables like so:

  • DJANGO_ALLOWED_HOSTS -> ${APP_DOMAIN}

    • This allows us to know the randomly generated URL that App Platform provides and provide it to our app

  • DATABASE_URL -> ${<NAME_OF_YOUR_DATABASE>.DATABASE_URL}

    • In this case, we’ll name our database db in the next step, so this should be ${db.DATABASE_URL}

  • DEBUG -> True

    • Set this to True for now to verify your app is functioning and set to False when it’s time for this app to be in production DJANGO_SECRET_KEY -> <A RANDOM SECRET KEY> You can either allow your app to generate this at every launch or pick a strong password with at least 32 characters to use as this key. Using a secure password generator is a good option for this
    • Don’t forget to click the Encrypt check box to ensure that your credentials are encrypted for safety