diff --git a/docker-compose.yaml b/docker-compose.yaml
index c6217f8..7f77613 100755
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -65,4 +65,14 @@ services:
     restart: unless-stopped
     volumes:
       - ./synapse/mautrix-signal:/data
+#
+  postgres-signal:
+    image: postgres:14
+    restart: unless-stopped
+    volumes:
+      - ./postgres-signal:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_DB=signal
+      - POSTGRES_USER=signal
+      - POSTGRES_PASSWORD=jgzqnGCq3KY28C
 #