lambda.java

public class Handler implements RequestHandler<Map<String, Object>, ApiGatewayResponse> {
	private static final Logger LOG = Logger.getLogger(Handler.class);
	@Override
	public ApiGatewayResponse handleRequest(Map<String, Object> input, Context context) {
		LOG.info("received: " + input);
		Response responseBody = new Response("Go Serverless v1.x! Your function executed successfully!", input);
		return ApiGatewayResponse.builder()
			.setStatusCode(200)
			.setObjectBody(responseBody)
			.setHeaders(Collections.singletonMap("X-Powered-By", "AWS Lambda & serverless"))
			.build();
	}
}