fixing build issue

Author: Sachin Maheshwari

build.sh

@@ -6,6 +6,7 @@ perl -pi -e "s/\{\{DOMAIN\}\}/$DOMAIN/g" $CONFFILENAME
 perl -pi -e "s/\{\{AUTH0_CLIENT_ID\}\}/$AUTH0_CLIENT_ID/g" $CONFFILENAME
 perl -pi -e "s/\{\{LOGGERMODE\}\}/$LOGGERMODE/g" $CONFFILENAME
 perl -pi -e "s/\{\{AUTH0DOMAIN\}\}/$AUTH0DOMAIN/g" $CONFFILENAME
+perl -pi -e "s/\{\{DISCORD_URL_PATTERN\}\}/$DISCORD_URL_PATTERN/g" $CONFFILENAME
 
 SIGNUPFILENAME="./web-assets/js/signup.js"
 perl -pi -e "s/\{\{DOMAIN\}\}/$DOMAIN/g" $SIGNUPFILENAME