Updated solution for fixing MMR redis connection

group_vars/matrix_servers

@@ -3715,6 +3715,21 @@ matrix_media_repo_homeservers_auto:
 
 matrix_media_repo_homeserver_federation_enabled: "{{ matrix_homeserver_federation_enabled }}"
 
+matrix_media_repo_redis_enabled: "{{ valkey_enabled }}"
+
+# Use next redis index since Synapse is on 0. You can chose between index 0 and 15.
+matrix_media_repo_redis_database_number: 1
+
+matrix_media_repo_redis_shards: |
+  {{
+    ([{
+          'name': 'valkey',
+          'addr': (valkey_identifier + valkey_container_http_port | string),
+    }])
+    if valkey_enabled and matrix_media_repo_redis_enabled
+    else []
+  }}
+
 ######################################################################
 #
 # /matrix-media-repo

roles/custom/matrix-media-repo/defaults/main.yml

@@ -892,18 +892,12 @@ matrix_media_repo_redis_enabled: false
 
 # The database number to use. Leave at zero if using a dedicated Redis instance.
 # Use next redis index since Synapse is on 0. You can chose between index 0 and 15.
-matrix_media_repo_redis_database_number: 1
+matrix_media_repo_redis_database_number: 0
 
 # The Redis shards that should be used by the media repo in the ring. The names of the
 # shards are for your reference and have no bearing on the connection, but must be unique.
 # As default it uses the valkey instance provided by this project
-matrix_media_repo_redis_shards:
-  - name: "valkey"
-    addr: "{{ valkey_identifier }}:{{ valkey_container_http_port }}"
-#  - name: "server2"
-#    addr: ":7001"
-#  - name: "server3"
-#    addr: ":7002"
+matrix_media_repo_redis_shards: []
 
 # Optional sentry (https://sentry.io/) configuration for the media repo