add wrapper for running named-compilezone, update README

README.md

@@ -82,3 +82,8 @@ We can find the zone files  in `/etc/bind/zones`, although note that your zone m
 ```bash
 named-compilezone -f raw -F text -o - blacka.com /etc/bind/zones/blacka.com.signed
 ```
+
+If using the script that runs the version in our container, note that you may have to use the paths that work *inside the container*.  The current script mounts your current working directory, so you can use `run_named_compilezone.sh ./some.zone`, but not `run_named_compilezone.sh /etc/named/zones/blacka.com`.
+
+That said, we are probably better off just using the version that comes with our OS, and not using the container.
+

run_named-compilezone.sh

@@ -1,4 +1,8 @@
 #! /bin/bash
 [ -x "$(which docker 2>/dev/null)" ] && DOCKER=docker
 [ -x "$(which podman 2>/dev/null)" ] && DOCKER=podman
-$DOCKER exec bind9 named-compilezone "$@"
+
+$DOCKER run -ti --rm --name=bind9-tools --network=host \
+    -v "$(pwd):$(pwd)" -w "$(pwd)" \
+    docker.io/internetsystemsconsortium/bind9:9.18 named-compilezone "$@"
+