Add Admin UI to Docker Compose files (#8364)

docker/seaweedfs-dev-compose.yml

@@ -42,3 +42,12 @@ services:
       - master
       - volume
       - filer
+  admin:
+    image: chrislusf/seaweedfs:dev # use a remote dev image
+    ports:
+      - 23646:23646
+    command: 'admin -master=master:9333'
+    depends_on:
+      - master
+      - volume
+      - filer