From 8e2823596f42b28dd2bdc2e1b584d7202e84d177 Mon Sep 17 00:00:00 2001
From: Tianhao-Gu <tgu@anl.gov>
Date: Thu, 16 May 2024 13:39:30 -0500
Subject: [PATCH] using env var

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 17a20cc..df2d702 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ docker-compose up --build
 docker exec -it spark-test-node \
     sh -c '
 	    /opt/bitnami/spark/bin/spark-submit \
-	    --master spark://spark-master:7077 \
+	    --master $SPARK_MASTER_URL \
 	    examples/src/main/python/pi.py 10 \
 	    2>/dev/null
     '