switch to OpenDNS

Dockerfile

@@ -1,21 +1,24 @@
-# ------ Header ------ #
-FROM alpine:latest
+# :: Header
+FROM alpine:3.9
 
-#   // add bind
-RUN apk update \
-    && apk add --update bash \
-    && apk add --no-cache bind
+# :: Run
+USER root
 
-#   // create directory for zone configuration files
-RUN mkdir -p /var/zones \
-#   // delete default files
-    && rm -R /etc/bind/*
+RUN mkdir -p /bind/etc \
+    && mkdir -p /bind/var
 
-#   // add default bind config for internal, external view + recursion
-ADD ./named.conf /etc/bind/named.conf
+RUN apk --update --no-cache add \
+    bash \
+    bind
 
-# ------ define volumes ------ #
-VOLUME ["/etc/bind", "/var/zones"]
+RUN rm -R /etc/bind
 
-# ------ entrypoint for container ------ #
-CMD ["/usr/sbin/named", "-fg", "-c", "/etc/bind/named.conf"]
+ADD ./source/named.conf /bind/etc/named.conf
+ADD ./source/zones.conf /bind/etc/zones.conf
+
+# :: Volumes
+VOLUME ["/bind/etc", "/bind/var"]
+
+# :: Start
+USER named
+CMD ["/usr/sbin/named", "-fg", "-c", "/bind/etc/named.conf"]

named.conf

@@ -1,25 +0,0 @@
-options {
-	listen-on { any; };
-	directory "/etc/bind";
-	recursion no;
-	allow-notify { none; };
-	forwarders { 8.8.8.8; 8.8.4.4; };
-	version "0.0";
-};
-
-acl acl-internal {
-	10.0.0.0/8;
-	172.16.0.0/12;
-    192.168.0.0/16;
-};
-
-view "internal" {
-	match-clients { acl-internal; };
-	allow-query { acl-internal; };
-	recursion yes;
-};
-
-view "external" {
-	match-clients { any; };
-	recursion no;
-};

source/named.conf

@@ -0,0 +1,18 @@
+options {
+        listen-on { any; };
+        directory "/bind/etc";
+        recursion no;
+        allow-notify { none; };
+        forwarders { 208.67.220.220; 208.67.222.222; };
+        version "0.0";
+        auth-nxdomain no;
+        max-cache-size 256m;
+};
+
+acl acl-internal {
+	10.0.0.0/8;
+	172.16.0.0/12;
+    192.168.0.0/16;
+};
+
+include "zones.conf";

source/zones.conf

@@ -0,0 +1,10 @@
+view "internal" {
+	match-clients { acl-internal; };
+	allow-query { acl-internal; };
+	recursion yes;
+};
+
+view "external" {
+	match-clients { any; };
+	recursion no;
+};