diff --git a/README.md b/README.md
index 8b9f65f..bb4d00a 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,9 @@
 
 One click to init an excalidraw with collaboration.
 
+[![Deploy on Railway](https://railway.app/button.svg)](https://railway.app/template/PjQnHs?referralCode=HM_ZCO)
+
+
 Snapshot:
 
 ![snapshot](./_assets/snapshot.png)
diff --git a/docker-compose.yaml b/docker-compose.yaml
index e640567..235f1e8 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -2,9 +2,8 @@
 
 services:
   frontend:
-    image: alswl/excalidraw:v0.17.0-fork-b1
+    image: alswl/excalidraw:v0.17.0-fork-b2
     environment:
-      - PORT=8081
       - VITE_APP_BACKEND_V2_GET_URL=https://test.com/api/v2/
       - VITE_APP_BACKEND_V2_POST_URL=https://test.com/api/v2/post/
       - VITE_APP_WS_SERVER_URL=http://127.0.0.1:8082