make prometheus reachable by grafana

ansible/roles/prometheus/tasks/main.yml

@@ -17,10 +17,12 @@
     dest: /etc/consul.d/prometheus.json
   notify:
     - reload consul
-- name: Allow prometheus in firewall
+
+- name: Make docker network for newsblurnet
   become: yes
-  ufw: rule=allow port=9090
-  tags: ufw
+  docker_network:
+    name: newsblurnet
+  notify: restart docker
 
 - name: Start prometheus docker container
   become: yes
@@ -28,6 +30,10 @@
     name: prometheus
     image: prom/prometheus
     user: root
+    networks_cli_compatible: yes
+    network_mode: default
+    networks:
+      - name: newsblurnet
     state: started
     ports:
     - 9090:9090