Envir variable

development.ini

 # This is inventory file for development stage
 
 [webserver]
-webserver[000:004].test.example.com
+webserver[000:004].dev.example.com
 
 [postgresql]
-postgresql[000:000].test.example.com
\ No newline at end of file
+postgresql[000:000].dev.example.com
+
+# Sets the environment to development(dev) or production (prod) or test
+environment=dev
\ No newline at end of file

production.ini

@@ -4,4 +4,7 @@
 webserver[000:004].prod.example.com
 
 [postgresql]
-postgresql[000:000].prod.example.com
\ No newline at end of file
+postgresql[000:000].prod.example.com
+
+# Sets the environment to development(dev) or production (prod) or test
+environment=prod
\ No newline at end of file

test.ini

 # This is inventory file for test stage
 
 [webserver]
-webserver[000:004].dev.example.com
+webserver[000:004].test.example.com
 
 [postgresql]
-postgresql[000:000].dev.example.com
\ No newline at end of file
+postgresql[000:000].test.example.com
+
+# Sets the environment to development(dev) or production (prod) or test
+environment=test
\ No newline at end of file