diff --git a/deploy.sh b/deploy.sh
index 7b8c7753..9e18ffbf 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -20,11 +20,21 @@ fi
 export IMAGE_TAG="$NEW_TAG"
 docker compose pull
 docker compose up -d
-sleep 5
+
+# Wait for backend to be ready (retry up to 60s)
+echo "Waiting for backend..."
+for i in $(seq 1 12); do
+    sleep 5
+    if curl -fsSo /dev/null --max-time 5 "https://api.polyweather.top/healthz"; then
+        echo "✅ healthz ready after ${i}x5s"
+        break
+    fi
+    echo "   retry $i/12..."
+done
 
 FAILED=0
-curl -fsSo /dev/null --max-time 10 "https://api.polyweather.top/healthz" && echo "✅ healthz" || { echo "❌ healthz"; FAILED=1; }
-curl -fsSo /dev/null --max-time 10 "https://api.polyweather.top/api/scan/terminal?limit=1" && echo "✅ scan" || { echo "❌ scan"; FAILED=1; }
+curl -fsSo /dev/null --max-time 15 "https://api.polyweather.top/healthz" && echo "✅ healthz" || { echo "❌ healthz"; FAILED=1; }
+curl -fsSo /dev/null --max-time 15 "https://api.polyweather.top/api/scan/terminal?limit=1" && echo "✅ scan" || { echo "❌ scan"; FAILED=1; }
 curl -fsSo /dev/null --max-time 10 "https://www.polyweather.top/" && echo "✅ frontend" || { echo "❌ frontend"; FAILED=1; }
 
 if [ "$FAILED" = "1" ]; then