diff --git a/.env.sample b/.env.sample
index f8b511e..19b6990 100644
--- a/.env.sample
+++ b/.env.sample
@@ -94,3 +94,7 @@ COMPOSE_FILE="compose.yml"
 ## Mumble
 #COMPOSE_FILE="$COMPOSE_FILE:compose.mumble.yml"
 #MUMBLE_ENABLED=1
+
+## Matrix
+#COMPOSE_FILE="$COMPOSE_FILE:compose.matrix.yml"
+#MATRIX_FEDERATION_ENABLED=1
diff --git a/compose.matrix.yml b/compose.matrix.yml
new file mode 100644
index 0000000..558898d
--- /dev/null
+++ b/compose.matrix.yml
@@ -0,0 +1,7 @@
+version: "3.8"
+services:
+  app:
+    environment:
+      - MATRIX_FEDERATION_ENABLED
+    ports:
+      - "8448:8448"