Configure the salt-api service to start at boot time

salt/api.sls

@@ -9,6 +9,7 @@ salt-api:
     - name: {{ salt_settings.salt_api }}
 {% endif %}
   service.running:
+    - enable: True
     - name: {{ salt_settings.api_service }}
     - require:
       - service: {{ salt_settings.master_service }}