diff --git a/synapse/docker-compose.yml b/synapse/docker-compose.yml
index 5f694ab..f73ff4e 100644
--- a/synapse/docker-compose.yml
+++ b/synapse/docker-compose.yml
@@ -1,13 +1,22 @@
 version: '3.7'
 
+networks:
+  # You need to create this network manually first!
+  synapse:
+    external: true
+
 services:
   synapse:
     # https://hub.docker.com/r/matrixdotorg/synapse
     # https://github.com/matrix-org/synapse/tree/master/docker
     image: "matrixdotorg/synapse:${IMAGE_VERSION:-latest}"
     container_name: synapse
-    # This way we'll be able to access PostgreSQL on local machine using 'localhost' when it's listening only locally.
-    network_mode: host
+    hostname: synapse
+    extra_hosts:
+      - 'host.docker.internal:host-gateway'
+    networks:
+      - default
+      - synapse
     ports:
       - "${INTERFACE_EXT:-127.0.0.1}:${HTTP_PORT_EXT:-8008}:${HTTP_PORT_INT:-8008}/tcp"
     volumes: