fix: rename handler to lambda_handler to match DEFAULT_HANDLER

aidandaly24 · aidandaly24 · commit fc4ce65d3569 · 2026-02-24T14:41:54.000-05:00
The CLI writes handler: 'handler.lambda_handler' in compute config.
The template must export lambda_handler, not handler.
diff --git a/src/assets/__tests__/__snapshots__/assets.snapshot.test.ts.snap b/src/assets/__tests__/__snapshots__/assets.snapshot.test.ts.snap
@@ -779,7 +779,7 @@ async def fetch_post(post_id: int) -> str:
 
 
 # Create ASGI app from FastMCP server and wrap with Mangum for Lambda
-handler = Mangum(mcp.sse_app(), lifespan="off")
+lambda_handler = Mangum(mcp.sse_app(), lifespan="off")
 "
 `;
 
diff --git a/src/assets/mcp/python-fastmcp-lambda/handler.py b/src/assets/mcp/python-fastmcp-lambda/handler.py
@@ -111,4 +111,4 @@ async def fetch_post(post_id: int) -> str:
 
 
 # Create ASGI app from FastMCP server and wrap with Mangum for Lambda
-handler = Mangum(mcp.sse_app(), lifespan="off")
+lambda_handler = Mangum(mcp.sse_app(), lifespan="off")

Original file line number	Diff line number	Diff line change
`@@ -779,7 +779,7 @@ async def fetch_post(post_id: int) -> str:`
`779`	`779`
`780`	`780`
`781`	`781`	`# Create ASGI app from FastMCP server and wrap with Mangum for Lambda`
`782`		`-handler = Mangum(mcp.sse_app(), lifespan="off")`
	`782`	`+lambda_handler = Mangum(mcp.sse_app(), lifespan="off")`
`783`	`783`	`"`
`784`	`784`	`;
`785`	`785`
Original file line number	Diff line number	Diff line change
`@@ -111,4 +111,4 @@ async def fetch_post(post_id: int) -> str:`
`111`	`111`
`112`	`112`
`113`	`113`	`# Create ASGI app from FastMCP server and wrap with Mangum for Lambda`
`114`		`-handler = Mangum(mcp.sse_app(), lifespan="off")`
	`114`	`+lambda_handler = Mangum(mcp.sse_app(), lifespan="off")`