reorganized image for better portability

Dockerfile

@@ -5,16 +5,6 @@ RUN apk add --no-cache --update \
 
 EXPOSE 53/udp
 
-COPY ddns.key /etc/bind/ddns.key
-COPY db.0 /etc/bind/db.0
-COPY db.127 /etc/bind/db.127
-COPY db.255 /etc/bind/db.255
-COPY db.empty /etc/bind/db.empty
-COPY db.local /etc/bind/db.local
-COPY db.root /etc/bind/db.root
-COPY named.conf.default-zones /etc/bind/named.conf.default-zones
-COPY zones.rfc1918 /etc/bind/zones.rfc1918
-
-VOLUME ["/etc/bind/zones"]
+VOLUME ["/etc/bind/zones", "/etc/bind/keys", "/etc/bind/scripts"]
 
 CMD /usr/sbin/named -g -u named -d 11

ddns.key

@@ -1,4 +0,0 @@
-key DDNS_UPDATE {
-  algorithm HMAC-MD5.SIG-ALG.REG.INT;
-  secret "o9mU3wsAZOuwHBmNEdynjA==";
-};

named.conf

@@ -1,6 +1,6 @@
-include "/etc/bind/zones.rfc1918";
-include "/etc/bind/named.conf.default-zones";
-include "/etc/bind/ddns.key";
+include "/etc/bind/zones/zones.rfc1918";
+include "/etc/bind/zones/db.default-zones";
+include "/etc/bind/keys/ddns.key";
 
 acl lan {
 	10.0.0.0/8;

named.conf.default-zones → zones/db.default-zones

@@ -21,12 +21,12 @@ zone "127.in-addr.arpa" {
 
 zone "0.in-addr.arpa" {
 	type master;
-	file "/etc/bind/db.0";
+	file "/etc/bind/zones/db.0";
 };
 
 zone "255.in-addr.arpa" {
 	type master;
-	file "/etc/bind/db.255";
+	file "/etc/bind/zones/db.255";
 };