fix: add echo line

build/bin/wfcsetup.sh

@@ -97,6 +97,7 @@ case "$1" in
         docker-compose build ${base_dockers}   
         cd ${java_work_dir}
         if [[ "$(docker images -q wfc-java:jre8 2> /dev/null)" == "" ]]; then
+            echo "Building wfc-java:jre8"
             docker build -t wfc-java:jre8 -f dockerfile .
         fi        
         ;;