Always use localhost on RACK box

configSemTK.sh: Ensure that SemTK config files always use localhost
since we now run RACK box with Docker and VirtualBox the same way.
RACK box should be the only caller of this script anyway.

configSemTK.sh

@@ -23,17 +23,14 @@ fi
 DIR="$(cd "$(dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd -P)"
 cd "${DIR}"
 
-# If SERVER_ADDRESS is not set, then set SERVER_ADDRESS to localhost (if running
-# in Docker) or the host's IP address before sourcing .env
-if [ -f /.dockerenv -o -f /run/.containerenv ]; then
-    export SERVER_ADDRESS="${SERVER_ADDRESS:-localhost}"
-else
-    export SERVER_ADDRESS="${SERVER_ADDRESS:-$(hostname -I | tr ' ' '\n' | head -1)}"
-fi
+# If SERVER_ADDRESS is not set, then set SERVER_ADDRESS to localhost
+# before we source .env
+export SERVER_ADDRESS="${SERVER_ADDRESS:-localhost}"
 source .env
 
-# Create an environment file containing the environment variables used in services' application.properties
-# This file is used at service startup (via service.unit)
+# Create an environment file containing the environment variables used
+# in services' application.properties (this file is used at service
+# startup via service.unit)
 cat ./*Service/BOOT-INF/classes/application.properties | grep "{" | sed -e 's/^.*{\(.*\)}/\1=${\1}/' | sort | uniq | envsubst > environment
 
 # Replace the js configuration files for the SemTK webapps