Server Source code Package

AWS Lambda

AWS Lambda source for walkerOS - works with API Gateway v1/v2 and Lambda Function URLs.

Where This Fits

The AWS Lambda Source is a server source in the walkerOS flow:

It receives events via HTTP and forwards them to your destinations.

Features

• Multi-platform: API Gateway REST (v1), HTTP API (v2), Function URLs
• Auto-detection: Automatically detects API Gateway version
• Pixel tracking: Optional GET requests with 1x1 GIF response
• Health checks: Built-in health check endpoint

Installation

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Quick start

Integrated

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Bundled

Add to your flow.json sources:

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Server sources require platform-specific handlers. For containerized deployments, see Docker →.

See Bundled Mode setup → | CLI reference →

Deployment

Lambda Function URL (simplest)

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Serverless Framework

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Configuration

Setting	Type	Default	Description
cors	boolean | object	true	CORS configuration
timeout	number	30000	Request timeout (ms)
enablePixelTracking	boolean	true	Enable GET tracking
healthPath	string	/health	Health check path

Ingest Metadata

Extract request metadata from Lambda events and forward it through the pipeline.

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Available Ingest Paths

API Gateway v1 (REST API):

Path	Description
requestContext.identity.sourceIp	Client IP address
requestContext.identity.userAgent	User agent string
headers.*	HTTP headers
httpMethod	HTTP method

API Gateway v2 (HTTP API) / Function URLs:

Path	Description
requestContext.http.sourceIp	Client IP address
requestContext.http.userAgent	User agent string
requestContext.http.method	HTTP method
headers.*	HTTP headers

Supported platforms

Platform	Status
API Gateway REST API (v1)	✅
API Gateway HTTP API (v2)	✅
Lambda Function URLs	✅
Direct Lambda invocation	✅