Add init Container

The Config dir needs to be writable by uid/gid 1000
  This commit adds a container that sets the right uid/gid and then sleeps indefinitely

docker-compose.yaml

@@ -5,6 +5,8 @@ x-klipper-svc: &klipper-svc
   restart: unless-stopped
   logging:
     driver: none
+  depends_on:
+    - init
   command:
     - "-I"
     - "run/klipper.tty"
@@ -32,6 +34,17 @@ x-ustreamer-svc: &ustreamer-svc
 version: "3.4"
 services:
 
+  ## Config dir needs to be writable by uid/gid 1000
+  ## This container sets the right uid/gid and then sleeps indefinitely
+  init:
+    image: busybox:latest
+    container_name: init
+    command: >
+      sh -c "chown -R 1000:1000 /prind/config &&
+             sleep infinity"
+    volumes:
+      - .:/prind
+
   ## Klippy Services
   ##
   klipper:
@@ -73,6 +86,7 @@ services:
       - "-l"
       - "log/moonraker.log"
     depends_on:
+      - init
       - klipper
       - traefik
     volumes: