Allow non root usage

docker-compose/bind9/docker-compose.yaml

@@ -3,10 +3,14 @@ services:
  bind9:
  image: ubuntu/bind9:latest
  container_name: bind9
+ environment:
+ - BIND9_USER=bind
  ports:
- - "53:53"
+ - '53:53/tcp'
+ - '53:53/udp'
+ - '127.0.0.1:953:953/tcp'
  volumes:
- - /etc/bind/:/etc/bind/
- - /var/cache/bind:/var/cache/bind
- - /var/lib/bind:/var/lib/bind
- restart: unless-stopped
+ - './config:/etc/bind:ro'
+ - './cache:/var/cache/bind:rw'
+ - './records:/var/lib/bind:rw'
+ restart: unless-stopped

docker-compose/bind9/set-bind.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+# before running the docker image, run this script to set the
+# uid to 100 and gid to 101. This is based on the bind user in the Ubuntu docker image
+#:/# grep bind /etc/passwd
+#bind:x:100:101::/var/cache/bind:/usr/sbin/nologin
+#
+chown 100:101 -R cache
+chown 100:101 -R config
+chown 100:101 -R records