fix: fix docker swarm network issue

roles/docker/tasks/docker_alpine.yaml

@@ -19,3 +19,11 @@
     owner: root
     group: root
 
+- name: Enable TCP access to Docker daemon
+  when: "'docker_managers' in group_names"
+  lineinfile:
+    path: /etc/conf.d/docker
+    create: yes
+    line: 'DOCKER_OPTS="-H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock"'
+  notify:
+    - Restart docker