Look for mlapi tag

playbooks/group_vars/tag_Group_edxapp_prod

----
-edxapp_prod: true
-secure_dir: '../../configuration-secure/ansible'
\ No newline at end of file

playbooks/group_vars/tag_Group_edxapp_stage

----
-edxapp_stage: true

playbooks/mlapi_prod.yml

-- hosts: tag_Group_discern_prod
+- hosts: tag_Group_mlapi_prod
   vars_files:
     - ["{{ secure_dir }}/vars/discern_prod_vars.yml"]
     - ["{{ secure_dir }}/vars/users.yml"]

playbooks/mlapi_sandbox.yml

 - hosts:
-    - tag_Group_discern_sandbox
+    - tag_Group_mlapi_sandbox
   vars_files:
     - ["{{ secure_dir }}/vars/discern_sandbox_vars.yml"]
     - ["{{ secure_dir }}/vars/users.yml"]

playbooks/mlapi_stage.yml

-- hosts: tag_Group_discern_stage
+- hosts: tag_Group_mlapi_stage
   vars_files:
     - ["{{ secure_dir }}/vars/discern_stage_vars.yml"]
     - ["{{ secure_dir }}/vars/users.yml"]