# DNS validation for Let's Encrypt? **URL:** https://meta.discourse.org/t/dns-validation-for-lets-encrypt/139848 **Category:** Self-hosting **Created:** [January 27, 2020, 4:00pm UTC](https://meta.discourse.org/t/dns-validation-for-lets-encrypt/139848 "2020-01-27T16:00:00Z") **Posts on this page:** 1 **Showing post:** 2
### Author: ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman) #### Post date: [January 27, 2020, 4:39pm UTC](https://meta.discourse.org/t/dns-validation-for-lets-encrypt/139848/2 "2020-01-27T16:39:27Z")
> [@danb35](#): > > Can the standard Docker container installation be configured to use DNS validation with Let’s Encrypt? Anything is possible. You should be able to make changes inside the container to have `acme` do that. I’m not aware of any instructions that describe the process. You can `./launcher enter app` and make changes that will stay in effect until you rebuild the container. You can also add stuff to `app.yml` that will make those changes on rebuild, but you’re far afield from a supported installion then. > [@danb35](#): > > s there a way I can point the Discourse container to a cert/key somewhere in the filesystem, and cause it to reload when a new cert is generated? > [@Allow SSL / HTTPS for your Discourse Docker setup](https://meta.discourse.org/t/advanced-setup-only-allowing-ssl-https-for-your-discourse-docker-setup/13847): > > This guide is likely out of date as there are now very few reasons not to use the built-in Let’s Encrypt certificate that Just Works. See also: 2023-04-10 @pfaffman says: This is left here mostly for historical purposes. So you’d like to enable SSL for your Docker-based Discourse setup? Let’s do it! This guide assumes you used all the [standard install](https://meta.discourse.org/t/142537?silent=true) defaults – a container configuration file at/var/discourse/containers/app.yml and Discourse docker is installed at: /var/discourse Buy a SS… --- _[View the full topic](https://meta.discourse.org/t/dns-validation-for-lets-encrypt/139848)._