bind: Consolidate configuration files

Add DNS master/slave support to container so that slaves don't require
any additional configuration outside of their environment.

Pull common master/slave configuration into the base container.

1 files changed, 18 insertions, 2 deletions

diff --git a/bind/Dockerfile b/bind/Dockerfile
index 864a64e..23e731f 100644
--- a/bind/Dockerfile
+++ b/bind/Dockerfile
@@ -1,7 +1,23 @@
 FROM alpine:edge
 LABEL maintainer="Mike Crute <mike@crute.us>"
 
-RUN \
-    apk add --no-cache bind bind-tools
+RUN set -euxo pipefail; \
+    apk add --no-cache \
+        bind \
+        bind-tools \
+        gettext \
+    ; \
+    rm -rf /etc/bind/*; \
+    mkdir -p /etc/bind/local; \
+    ln -s /usr/share/dnssec-root/bind-dnssec-root.keys  /etc/bind/bind.keys; \
+    \
+    curl -o /etc/bind/db.root https://www.internic.net/domain/named.cache;
 
+ADD entrypoint.sh /
+ADD conf/ /etc/bind/
+
+RUN set -euxo pipefail; \
+    chown -R named:named /etc/bind;
+
+ENTRYPOINT [ "/entrypoint.sh" ]
 CMD [ "/usr/sbin/named", "-u", "named", "-g" ]