AWS SAM — API Gateway Demo

Static site served from S3, with one GET and one POST API routed through API Gateway.

AWS SAM S3 API Gateway Lambda Node.js 20.x

GET /api/hello

Returns a JSON greeting. Pass an optional name query parameter.


  


  
  

    

      POST
      /api/greet
    

    
Accepts a JSON body { "name": "...", "message": "..." } and returns a personalised response.


    

      
      
      
    


    

  


  
  

    Architecture:
    This page is served from S3 (private) via CloudFront (HTTPS, OAC).
    API calls cross to a separate API Gateway (HTTP API) subdomain via CORS.
    GET /api/hello → GetApiFunction  | 
    POST /api/greet → PostApiFunction.
    Deployed with AWS SAM.