diff --git a/deploy.sh b/deploy.sh
index c58d17dd893c5b33aa23e67c89dcb95dfc7b64da..d47a19db83de66b71237b5b3aff5e889d065f225 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -43,9 +43,14 @@ if [ ! -f src/config/.env.example ]; then
     exit 1
 fi
 
-# Copy .env.example to .env
-echo "Generating .env file..."
-cp src/config/.env.example .env
+# Copy .env if not exists
+if [ -f src/config/.env ]; then
+    echo "Using existing src/config/.env file..."
+    cp src/config/.env .env
+else
+    echo "Generating .env file from example..."
+    cp src/config/.env.example .env
+fi
 
 # Read NSC_PORT from .env
 NSC_PORT=$(grep '^NSC_PORT=' .env | cut -d '=' -f2)