pkg: add Unbound

pkg/unbound/Dockerfile

@@ -0,0 +1,15 @@
+FROM alpine:3.7
+MAINTAINER Pierre-Olivier Mercier <nemunaire@nemunai.re>
+
+RUN apk add --no-cache unbound
+COPY docker-entrypoint.sh /
+
+VOLUME /etc/unbound
+
+EXPOSE 53
+EXPOSE 53/udp
+
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["/usr/sbin/unbound", "-d"]
+
+LABEL org.mobyproject.config='{"binds": ["/etc/resolv.conf:/etc/resolv.conf"], "capabilities": ["CAP_NET_BIND_SERVICE"]}'

pkg/unbound/build.yml

@@ -0,0 +1 @@
+image: unbound

pkg/unbound/docker-entrypoint.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -e
+
+if [ `which unbound-$1 2>/dev/null` ]; then
+  set -- unbound-"$@"
+elif [ ! `which $1 2>/dev/null` ]; then
+  set -- unbound -dv "$@"
+fi
+
+unbound-anchor
+
+exec "$@"