Moving Docker bind container to github so that I can autobuild in docker hub

Dockerfile

@@ -0,0 +1,22 @@
+FROM alpine:latest
+RUN apk --update add bind
+
+RUN mkdir -m 0755 -p /var/run/named && chown root:named /var/run/named
+
+# /var/cache/bind needs to be owned by "bind"
+# since we are mounting, do it manually
+# NOTE: Per Dockerfile manual --> need to mkdir the mounted dir to chown
+RUN mkdir /var/cache/bind
+RUN chown named:named /var/cache/bind
+RUN chmod -R 0775 /var/cache/bind
+
+# Mounts
+# NOTE: Per Dockerfile manual -->
+#	"if any build steps change the data within the volume
+# 	 after it has been declared, those changes will be discarded."
+VOLUME ["/etc/bind"]
+VOLUME ["/var/cache/bind"]
+
+EXPOSE 53
+
+CMD ["/usr/sbin/named", "-c", "/etc/bind/named.conf", "-g", "-u", "named"]