Add environment variables to the supervisord configuration when you need them.

templates/app_supervisor.conf

@@ -1,4 +1,3 @@
-; UWSGI for {{ nsbase_app_name }}
 [program:{{ nsbase_app_service_name }}]
 user={{ nsbase_web_server_group }}
 directory={{ nsbase_app_root_path }}
@@ -8,3 +7,7 @@ stdout_logfile = {{ nsbase_web_root_path }}/logs/supervisor/{{ nsbase_app_name }
 stdout_logfile_backups = 5
 stderr_logfile = {{ nsbase_web_root_path }}/logs/supervisor/{{ nsbase_app_name }}-error.log
 stderr_logfile_backups = 5
+
+{% if nsbase_app_env is defined %}
+environment={% for env_var, env_value in nsbase_app_env.items() %}{{ env_var | upper }}="{{ env_value }}",{% endfor %}
+{% endif %}