librelad b9e334dc49 matrix: add Synapse + Element as a federated chat app
Synapse on Postgres plus the Element web client, on two subdomains: the
homeserver on matrix.<domain> (which becomes server_name, so IDs read
@alice:matrix.<domain>) and Element on element.<domain>.

Two hosts rather than one because server_name then matches the host Traefik
already terminates TLS for, so 'serve_server_wellknown: true' is all the
federation delegation needed and nothing has to be published at the apex
domain — which this app has no way to configure.

CFG_MATRIX_AUTHELIA is pinned false and documented: forward-auth in front of
/_matrix locks out every client and every federating peer, since they carry
Matrix access tokens and cannot follow a redirect. Real SSO goes through the
OIDC block in resources/homeserver.yaml instead.

The install hook generates the signing key once via upstream's own 'generate'
command and refuses to regenerate it over an existing install — a new key would
be rejected by every server that had cached the old one.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-18 05:28:31 +01:00

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# Synapse logging configuration.
#
# Logs go to stdout only, so `docker logs matrix-synapse` and the LibrePortal
# log viewer both see them, and nothing accumulates inside the container that
# the host does not rotate.
version: 1
formatters:
precise:
format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
handlers:
console:
class: logging.StreamHandler
formatter: precise
loggers:
synapse.storage.SQL:
# Set to INFO to log every database query — useful when chasing a slow
# server, far too noisy for normal running.
level: WARNING
# Very chatty at INFO, and rarely what you are looking for.
synapse.access.http.8008:
level: WARNING
root:
level: INFO
handlers: [console]
disable_existing_loggers: false