LetsEncrypt working without www, not with www

[merefield (Robert)]

Sure! This is a little extra work but straightforward and a very common use case. See:

Set up Let’s Encrypt with multiple domains / redirects

This is to address the problem where you get certificate errors with any redirects or CNAME DNS entries which point to your actual installed Discourse (sub)domain. If you do not have https configured already (you do if you have done a standard install recently) see Setting up Let’s Encrypt as your first step. There are two patterns that need to be replaced, one ending in --keylength, and another ending in --fullchainpath (in the actual file, your original domain is before each of these switche…

And then:

Redirect additional domain(s) to your Discourse instance

2024-04-09 This guide is outdated according 2024-04-09 @pfaffman edited this to say that this is no longer necessary, as the current NGINX config in the standard install redirects everything to https://HOSTNAME. You can test this by entering your IP address and see that it gets redirected. If you want multiple domains pointed to your server, you probably want them to have valid https certificates. To do that, follow instructions at Set up Let’s Encrypt with multiple domains / redirects. Origina…