it's just toml bro

app/oauth2_proxy/init.sls

@@ -5,12 +5,12 @@
 {% set config_file = settings.conf_dir | path_join("settings.cfg") %}
 
 {{ config_file }}:
-  file.managed:
-    - source: salt://app/oauth2_proxy/templates/config.j2
+  file.serialize:
+    - formatter: toml
+    - dataset: {{ settings | tojson }}
     - makedirs: true
-    - template: jinja
-    - context:
-        config: {{ settings | tojson }}
+    - user: root
+    - group: root
     - mode: 0640
 
 oauth2-proxy image:

app/oauth2_proxy/templates/config.j2

@@ -1,18 +0,0 @@
-{% macro config_item(key, value) %}
-{% if value is string %}
-{{ key }} = {{ value|yaml_dquote }}
-{% elif value is boolean %}
-{{ key }} = {{ value|string|lower }}
-{% elif value|is_list %}
-{{ key }} = [
-{% for item in value %}  "{{ value }}",
-{% endfor %}
-]
-{% else %}
-{{ raise("config item "~key~" has unhandlable value: "~value) }}
-{% endif %}
-{% endmacro %}
-
-{% for key, value in config.items() %}
-{{ config_item(key, value) }}
-{% endfor %}