fix networking

server/config/send/docker-compose.yml

@@ -5,6 +5,7 @@ services:
     container_name: send_send
     restart: always
     networks:
+      - send
       - web
     volumes:
       - ${DOCKER_DATA}/uploads:/uploads
@@ -25,6 +26,8 @@ services:
   redis:
     image: 'redis:alpine'
     container_name: send_redis
+    networks:
+      - send
     restart: always
     volumes:
       - send-redis:/data
@@ -34,4 +37,5 @@ volumes:
 
 networks:
   web:
-    external: true
+    external: true
+  send: