set port cadvisor in variables

templates/conf/prometheus.yml.j2

@@ -363,12 +363,12 @@ scrape_configs:
     static_configs:
       - targets:
 {% for target in prometheus_cadvisor_exporter_targets %}
-        - {{ target }}:8080
+        - {{ target }}:{{ port }}
 {% endfor %}
     relabel_configs:
       - source_labels: [ __address__ ]
         target_label: instance
-        regex: '(.*):8080'
+        regex: '(.*):{{ port }}'
         replacement: '${1}'
 
 {% endif %}