Netdata: add monitoring for postgresql databases

playbook-docker.yml

@@ -29,5 +29,10 @@
 
     - name: Create a network for web proxy
       community.docker.docker_network:
-        name: "{{ web_proxy_network }}"
+        name: "web_proxy_network"
+        driver: "bridge"
+
+    - name: Create a network for monitoring
+      community.docker.docker_network:
+        name: "monitoring_network"
         driver: "bridge"