Merge branch 'dtm' into v2.3.0release

# Conflicts:
#	internal/rpc/group/group.go

docker-compose.yaml

@@ -113,6 +113,18 @@ services:
     restart: always
     command: minio server /data --console-address ':9090'
 
+  dtm:
+    image: yedf/dtm
+    ports:
+      - 36789:36789
+      - 36790:36790
+    environment:
+      STORE_DRIVER: mysql
+      STORE_HOST: localhost
+      STORE_USER: root
+      STORE_PASSWORD: ''
+      STORE_PORT: 3306
+
   open_im_server:
     image: openim/open_im_server:v2.3.0-rc0
     container_name: open_im_server
@@ -129,6 +141,7 @@ services:
       - redis
       - etcd
       - minio
+      - dtm
     network_mode: "host"
     logging:
       driver: json-file