add port forwarding

docker/Dockerfile

@@ -3,7 +3,7 @@ FROM debian:testing-slim
 SHELL [ "/bin/sh", "-eux", "-c" ]
 
 RUN apt-get update \
-	&& apt-get install -y --no-install-recommends yggdrasil wget ca-certificates unzip libcap2-bin gosu ;\
+	&& apt-get install -y --no-install-recommends yggdrasil wget ca-certificates unzip libcap2-bin gosu socat;\
 	apt-get clean ;\
 	rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 

docker/run.sh

@@ -1,5 +1,8 @@
 #!/bin/sh
 
+BIND_PORT=${BIND_PORT:-80}
+BIND_ADDRESS=${BIND_ADDRESS:-127.0.0.1}
+
 if ! [ -d /var/run/yggdrasil ]
 then
 	install -d -o yggdrasil -g yggdrasil /run/yggdrasil /var/run/yggdrasil
@@ -13,14 +16,22 @@ then
 fi
 
 
+# Port forwarding to another docker service
+while sleep 1;
+do
+  socat TCP6-LISTEN:$BIND_PORT,fork,forever,reuseaddr TCP4:$BIND_ADDRESS:$BIND_PORT
+done &
+
+
 # Show node address
 until yggdrasilctl getself | grep -v "^[[:digit:]]"
 do
 	sleep 5
 done &
 
-
+# Update available public peers
 peers_updater --config /etc/yggdrasil/yggdrasil.conf --update_cfg --number 5
 
+
 gosu yggdrasil /usr/sbin/yggdrasil -useconffile /etc/yggdrasil/yggdrasil.conf