Come costruire un’architettura serverless su AWS

				
					const AWS = require("aws-sdk");
const dynamo = new AWS.DynamoDB.DocumentClient();
exports.handler = async (event, context) => {
  let body;
  let statusCode = 200;
  const headers = {
    "Content-Type": "application/json"
  };
  try {
    let requestJSON = JSON.parse(event.body);
    switch (event.httpMethod) {
      case "POST":
      if(Object.keys(requestJSON).length>0){
        var PartitionKey = AWS.util.uuid.v4();
        var Data1 = requestJSON.Data1;
        await dynamo.put({
          TableName: "TableName",
          Item: {
            ID: PartitionKey,
            Data1: requestJSON.Data1,
            Data2: requestJSON.Data2,
            Data3: requestJSON.Data3,
          }
          })
          .promise();
          body = `Added TableName ${Data1 + ' ID: ' + PartitionKey}`;
        }else{
          body = "Missing info";
        }
        break;
      default:
        throw new Error(`Unsupported route: "${event.httpMethod}"`);
    }
  } catch (err) {
    statusCode = 400;
    body = err.message;
  } finally {
    body = JSON.stringify(body);
  }
  return {
    statusCode,
    body,
    headers
  };
};