fix(zigbee2mqtt): Expose gui option to set usbdevice path (#2213)

* fix(zigbee2mqtt): Don't put `serial` into config file, so app can start

* try installing

* test bad config

* test ci

* no bad config

* whoops

* test

* hp

* place config into data

* rofs

* try

* root

* ro

* revert to app

* test

* add gui option

* test rootless

* dont install

* more gui options

* root

charts/stable/zigbee2mqtt/values.yaml

@@ -1,19 +1,21 @@
 image:
-  # -- image repository
   repository: tccr.io/truecharts/zigbee2mqtt
-  # -- image tag
   tag: v1.24.0@sha256:2574cbd6af36d0305c8034804e2c64f672757133d71b14f87f36913a9b97e754
-  # -- image pull policy
   pullPolicy: IfNotPresent
 
-# -- environment variables. See [image docs](https://www.zigbee2mqtt.io/information/configuration.html#override-via-environment-variables) for more details.
-# @default -- See below
 env:
-  # -- Set the data folder for Zigbee2MQTT.
-  ZIGBEE2MQTT_DATA: /data
+  ZIGBEE2MQTT_DATA: "/data"
+  ZIGBEE2MQTT_CONFIG_SERIAL_PORT: "/dev/ttyACM0"
+  ZIGBEE2MQTT_CONFIG_MQTT_SERVER: "mqtt://localhost"
+  ZIGBEE2MQTT_CONFIG_MQTT_BASE_TOPIC: "zigbee2mqtt"
+
+securityContext:
+  runAsNonRoot: false
+
+podSecurityContext:
+  runAsUser: 0
+  runAsGroup: 0
 
-# -- Configures service settings for the chart. Normally this does not need to be modified.
-# @default -- See values.yaml
 service:
   main:
     ports:
@@ -21,8 +23,6 @@ service:
         port: 10103
         targetPort: 8080
 
-# -- Configure persistence settings for the chart under this key.
-# @default -- See values.yaml
 persistence:
   data:
     enabled: true
@@ -47,9 +47,9 @@ config:
   # MQTT settings
   mqtt:
     # MQTT base topic for zigbee2mqtt MQTT messages
-    base_topic: zigbee2mqtt
+    base_topic: "{{ .Values.env.ZIGBEE2MQTT_CONFIG_MQTT_BASE_TOPIC }}"
     # MQTT server URL
-    server: "mqtt://localhost"
+    server: "{{ .Values.env.ZIGBEE2MQTT_CONFIG_MQTT_SERVER }}"
     # MQTT server authentication, uncomment if required:
     # user: my_user
     # password: my_password
@@ -63,8 +63,7 @@ config:
   # USB / Serial settings
   serial:
     # Location of your zigbee device
-    # port: /dev/serial/by-id/usb-dresden_elektronik_ingenieurtechnik_GmbH_ConBee_II_DE2400981-if00
-
+    port: "{{ .Values.env.ZIGBEE2MQTT_CONFIG_SERIAL_PORT }}"
     # Optional: adapter type, not needed unless you are experiencing problems (options: zstack, deconz)
     # adapter: deconz