From aad33caf381bf79087c01c3245d400813f3a542b Mon Sep 17 00:00:00 2001
From: vandepol <david.vandepol@gmail.com>
Date: Thu, 21 Dec 2017 14:13:29 -0500
Subject: [PATCH] dynamically determine host IP

When trying to expose a post running on another docker container requires the IP address of the host instead of localhost.
Dynamically determined the host IP address and used that for the port forwarding
---
 run.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/run.sh b/run.sh
index 5bc5a81..2fc20e4 100644
--- a/run.sh
+++ b/run.sh
@@ -65,9 +65,10 @@ if [[ -n "${PUBLIC_HOST_ADDR}" && -n "${PUBLIC_HOST_PORT}" ]]; then
     echo "====REMOTE FINGERPRINT===="
     cat ${KNOWN_HOSTS}
     echo "====REMOTE FINGERPRINT===="
-
+    localhostIP=$(/sbin/ip route|awk '/default/ { print $3 }')
+    echo "hosts IP (according to /sbin/ip route) is: ${localhostIP}"
     echo "=> Setting up the reverse ssh tunnel"
-    sshpass -p ${ROOT_PASS} autossh -M 0 -NgR 1080:localhost:${PROXY_PORT} root@${PUBLIC_HOST_ADDR} -p ${PUBLIC_HOST_PORT}
+    sshpass -p ${ROOT_PASS} autossh -M 0 -NgR 1080:${localhostIP}:${PROXY_PORT} root@${PUBLIC_HOST_ADDR} -p ${PUBLIC_HOST_PORT}
 else
     echo "=> Running in public host mode"
     if [ ! -f /.root_pw_set ]; then