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Edit documentation related to server delegation (#3773)

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* Update docs/configuring-playbook-base-domain-serving.md: add an anchor link to docs/configuring-dns.md

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update documentation related to server delegation

Summary:
- Add explanation about server delegation and DNS setting for it to docs/configuring-dns.md; "delegation" is a technical term and it is worth being explained simply
- Edit explanation about delegation to docs/configuring-playbook-base-domain-serving.md
- Use common expressions
- Simplify explanation about delegation on docs/configuring-well-known.md and move explanation about the alternative which avoids involving the base domain from that page to its upper documentation, which is docs/howto-server-delegation.md

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Apply suggestions from code review

Co-authored-by: Slavi Pantaleev <slavi@devture.com>

* Update docs/configuring-dns.md: iterate

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Fix an anchor link to howto-srv-server-delegation.md

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Minor rewording

* Minor rewording

* Minor rewording

---------

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
Co-authored-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
Co-authored-by: Slavi Pantaleev <slavi@devture.com>
This commit is contained in:
Suguru Hirahara
2024-11-16 16:19:17 +09:00
committed by GitHub
parent 774f3de863
commit f19cbe6dd4
4 changed files with 39 additions and 32 deletions
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18
docs/configuring-dns.md
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@ -4,16 +4,22 @@
To set up Matrix on your domain, you'd need to do some DNS configuration.
To use an identifier like `@<username>:example.com`, you don't actually need to install anything on the actual `example.com` server.
## DNS setting for server delegation (optional)
You do, however, need to instruct the Matrix network that Matrix services for `example.com` are delegated over to `matrix.example.com`.
In the sample `vars.yml` ([`examples/vars.yml`](../examples/vars.yml)), we recommend to use a short user identifier like `@<username>:example.com`.
As we discuss in [Server Delegation](howto-server-delegation.md), there are 2 different ways to set up such delegation:
To use such an identifier, you don't need to install anything on the actual `example.com` server. Instead, you need to instruct the Matrix network that Matrix services for `example.com` are redirected over to `matrix.example.com`. This redirection is also known as "delegation".
- either by serving a `https://example.com/.well-known/matrix/server` file (from the base domain!)
- or by using a `_matrix._tcp` DNS SRV record (don't confuse this with the `_matrix-identity._tcp` SRV record described below)
As we discuss in [Server Delegation](howto-server-delegation.md), server delegation can be configured in either of these ways:
This playbook mostly discusses the well-known file method, because it's easier to manage with regard to certificates. If you decide to go with the alternative method ([Server Delegation via a DNS SRV record (advanced)](howto-server-delegation.md#server-delegation-via-a-dns-srv-record-advanced)), please be aware that the general flow that this playbook guides you through may not match what you need to do.
- Setting up a `/.well-known/matrix/server` file on the base domain (`example.com`)
- Setting up a `_matrix._tcp` DNS SRV record
For simplicity reasons, this playbook recommends you to set up server delegation via a `/.well-known/matrix/server` file, instead of using a DNS SRV record.
If you choose the recommended method (file-based delegation), you do not need to configure the DNS record to enable server delegation. You will need to add a necessary configuration later, when you [finalize the installation](installing.md#finalize-the-installation) after installing and starting Matrix services.
On the other hand, if you choose this method (setting up a DNS SRV record), you need to configure the additional DNS record as well as adjust SSL certificate handling. Take a look at this documentation for more information: [Server Delegation via a DNS SRV record (advanced)](howto-server-delegation.md#server-delegation-via-a-dns-srv-record-advanced)
## DNS settings for services enabled by default