Add README.md, unit file

run_bind_container.sh

@@ -0,0 +1,22 @@
+#! /bin/bash
+
+#BASE_CONF_DIR=/etc/bind
+BASE_CONF_DIR=/home/davidb/src/docker_bind
+: "${DNS_PORT:=55}"  # non-production default
+: "${RNDC_PORT:=955}"  # non-produciton default
+CMD="/etc/bind/run.sh"
+[ "$1" = "interactive" ] && ARGS="-ti --entrypoint=/bin/bash" && CMD=""
+
+# shellcheck disable=SC2086
+docker run $ARGS \
+    --rm \
+    --name=bind9 \
+    --add-host=host.docker.internal:host-gateway \
+    --publish "$RNDC_PORT:953/tcp" \
+    --publish "$DNS_PORT:53/udp" \
+    --publish "$DNS_PORT:53/tcp" \
+    -v $BASE_CONF_DIR/cfg:/etc/bind \
+    -v $BASE_CONF_DIR/cache:/var/cache/bind \
+    -v $BASE_CONF_DIR/zones:/var/lib/bind \
+    -v $BASE_CONF_DIR/log:/var/log \
+    docker.io/internetsystemsconsortium/bind9:9.18 $CMD