fix "Error: EACCES: permission denied, open '/app/.gitignore'"

Dockerfile

@@ -10,12 +10,9 @@ WORKDIR /app
 # Copy dist directory to the container
 COPY dist ./dist
 
-# Copy package.json to the container
 COPY package.json ./
-
-# Copy langgraph.json to the container
 COPY langgraph.json ./
-
+COPY .gitignore /
 # Install dependencies using pnpm
 RUN pnpm install