Fixing Build issue

Author: Gunasekar-K

build.sh

@@ -2,13 +2,14 @@
 set -eo pipefail
 APP_NAME=$1
 UPDATE_CACHE=""
+FOLDER_NAME="challenge-api"
 docker-compose -f docker/docker-compose.yml build $APP_NAME
 docker create --name app $APP_NAME:latest
 
 if [ -d node_modules ]
 then
   mv yarn.lock old-yarn.lock
-  docker cp app:/$APP_NAME/yarn.lock yarn.lock
+  docker cp app:/$FOLDER_NAME/yarn.lock yarn.lock
   set +eo pipefail
   UPDATE_CACHE=$(cmp yarn.lock old-yarn.lock)
   set -eo pipefail