diff --git a/01-tutorials/01-AgentCore-runtime/04-hosting-ts-MCP-server/Dockerfile b/01-tutorials/01-AgentCore-runtime/04-hosting-ts-MCP-server/Dockerfile
index 9ec50519..a1dea814 100644
--- a/01-tutorials/01-AgentCore-runtime/04-hosting-ts-MCP-server/Dockerfile
+++ b/01-tutorials/01-AgentCore-runtime/04-hosting-ts-MCP-server/Dockerfile
@@ -6,7 +6,7 @@ WORKDIR /app
 COPY package.json package-lock.json ./
 RUN npm install
 
-npm install typescript -g
+RUN npm install typescript -g
 
 COPY . .
 RUN npm run build
@@ -22,4 +22,4 @@ COPY --from=builder /app/dist ./dist
 
 EXPOSE 8000 
 
-CMD ["node", "dist/index.js"] 
\ No newline at end of file
+CMD ["node", "dist/index.js"] 
diff --git a/01-tutorials/01-AgentCore-runtime/04-hosting-ts-MCP-server/mcp_client.ipynb b/01-tutorials/01-AgentCore-runtime/04-hosting-ts-MCP-server/mcp_client.ipynb
index d4e6184e..ec210b2a 100644
--- a/01-tutorials/01-AgentCore-runtime/04-hosting-ts-MCP-server/mcp_client.ipynb
+++ b/01-tutorials/01-AgentCore-runtime/04-hosting-ts-MCP-server/mcp_client.ipynb
@@ -203,7 +203,7 @@
     "aws ecr get-login-password --region us-east-1 | \\\n",
     "  docker login --username AWS --password-stdin [account-id].dkr.ecr.us-east-1.amazonaws.com\n",
     "\n",
-    "docker buildx --platform linux/arm64 \\\n",
+    "docker buildx build --platform linux/arm64 \\\n",
     "  -t [account-id].dkr.ecr.us-east-1.amazonaws.com/mcp-server:latest --push .\n",
     "```\n",
     "\n",