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examples/027_gather_facts/group_vars/all

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+---
+#DB from role mysql
+db_name: maykadb
+db_user: mayka_user
+db_pass: mayka_pass
+db_user_host: localhost
+
+#nginx loadbalancer configuration
+sites:
+  myappmayka:
+    frontend: 80
+    backend: 80