Add turnserver config path for swarm mode

compose.yml

@@ -322,6 +322,9 @@ services:
       # - ${COTURN_TLS_KEY_PATH}:/tmp/key.pem # how to use traefik for SSL here?
       # - ./mod/coturn/entrypoint.sh:/usr/local/bin/docker-entrypoint.sh
       # - ./mod/coturn/turnserver.conf:/etc/coturn/turnserver.conf
+    configs:
+      - source: turnserver_conf
+        target: /etc/coturn/turnserver.conf
     environment:
       ENABLE_HTTPS_PROXY:
     user: root
@@ -392,6 +395,11 @@ volumes:
   greenlight_data:
   postgres_data:
 
+configs:
+  turnserver_conf:
+    name: ${STACK_NAME}_turnserver_conf_${TURNSERVER_CONF_VERSION}
+
+
 secrets:
   shared_secret:
     external: true