[MM3-users] Re: Trying basic install of mailman3 in docker, but how do you set allowed hosts?

On Thu, Jul 8, 2021, at 12:23 PM, bob B wrote:

I am starting small, My goal is just to get mailman3 running in docker and test the website access via curl from the host, then I will move on from there

In the docker instructions it says

SERVE_FROM_DOMAIN: The domain name from which Django will be served. To be added to ALLOWED_HOSTS in django settings. Default value is not set. This also replaces Django's default example.com SITE and becomes the default SITE (with SITE_ID=1).

Perhaps that is my English there, but what it really meant to say was you should set "SERVE_FROM_DOMAIN" in your "environment" section of the docker-compose.yaml file and it will add the value of that variable to Django's ALLOWED_HOSTS settings for you 1.

If you think it could be re-worded for clarity, please feel free to let me know or open a PR in the Github repo.

Also, "localhost" is already added to the list of ALLOWED_HOSTS, so if you are able to point to the container using that, it should work without setting the SERVE_FROM_DOMAIN.

Abhilash

But where do I set the ALLOWED_HOSTS I added this to the yaml file

• ALLOWED_HOSTS=127.0.0.1 under environments

  						  mailman-web:
  							image: maxking/mailman-web:0.3
  							container_name: mailman-web
  							hostname: mailman-web
  							depends_on:
  							- database
  							links:
  							- mailman-core:mailman-core
  							- database:database
  							volumes:
  							- /opt/mailman/web:/opt/mailman-web-data
  							environment:
  							- UWSGI_STATIC_MAP=/static=/opt/mailman-web-data/static
  							- ALLOWED_HOSTS=127.0.0.1
  							- DATABASE_TYPE=postgres
  							- DATABASE_URL=postgres://mailman:mailmanpass@database/mailmandb
  							- SECRET_KEY=333blah-blah-secret
  							- HYPERKITTY_API_KEY=333someapikey
  							ports:
  							- "127.0.0.1:8000:8000" # HTTP
  							- "127.0.0.1:8080:8080" # uwsgi
  							networks:
  							  mailman:

But when I try: [docker-mailman]# curl 127.0.0.1:8000 <h1>Bad Request (400)</h1>[root@bmimailmandr1 docker-mailman]# [root@bmimailmandr1 docker-mailman]#

I see this in the logs

  			[docker-mailman]# cat /opt/mailman/web/logs/mailmanweb.log 
  			WARNING 2021-07-08 17:40:46,979 1642 django.request Bad Request: /
  			ERROR 2021-07-08 19:20:58,416 1641 django.security.DisallowedHost 

Invalid HTTP_HOST header: '127.0.0.1:8000'. You may need to add '127.0.0.1' to ALLOWED_HOSTS. WARNING 2021-07-08 19:20:59,032 1641 django.request Bad Request: / WARNING 2021-07-08 19:20:59,032 1641 django.request Bad Request: /

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-- thanks, Abhilash Raj (maxking)