app/matrix: adjust media repo config to one deployed in production

Change-Id: Iac32918a1051a676377e5c3cc3c4592959a48e19
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1502
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/app/matrix/lib/matrix-ng.libsonnet b/app/matrix/lib/matrix-ng.libsonnet
index a807a1a..2edc2ee 100644
--- a/app/matrix/lib/matrix-ng.libsonnet
+++ b/app/matrix/lib/matrix-ng.libsonnet
@@ -190,6 +190,7 @@
                 password: error "mediaRepo.db.password needs to be set",
                 database: "mediarepo",
                 host: "waw3-postgres",
+                port: 5432,
             },
         },