fix: inventory me staging+production groups, deploy.yml target variable

deploy/deploy.yml

@@ -1,7 +1,7 @@
 ---
 # App ko VM par deploy karo. Idempotent hai - baar baar chalao, wahi nateeja.
 - name: Deploy demo-app to VM
-  hosts: app
+  hosts: "{{ target | default('production') }}"
   gather_facts: true
 
   vars:

deploy/inventory.ini

@@ -1,7 +1,10 @@
-[app]
+[staging]
+staging-vm-01 ansible_host=192.168.124.167
+
+[production]
 app-vm-01 ansible_host=192.168.124.136
 
-[app:vars]
+[all:vars]
 ansible_user=deploy
 ansible_ssh_private_key_file=/var/jenkins_secrets/deploy_key
 ansible_ssh_common_args=-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null