AWS Lambda demo

awslambda_index.js

const AWS = require('aws-sdk');
const dynamoDb = new AWS.DynamoDB.DocumentClient({
    region: "ap-northeast-1"
    });

// exports.handler = (event, context, callback) => {
    
//     const data = {
//         name: "yuto",
//         email: "[email protected]",
//         age: 34,
//         city: "Hamamatsu"
//     };

    
//     const response = {
//         statusCode: 200,
//         body: JSON.stringify(data)
//     };
    
//     console.info(response);
//     callback(null, response);
// };

// async function getData() {
//     return new Promise(resolve=>{
//         setTimeout(()=>{
//             resolve({
//                 name: "Yuto",
//                 email: "[email protected]",
//                 age: 34,
//                 city: "Hamamatsu"
//             })
//         }, 1000);
//     })
// }

async function getUser() {
     const params = {
        TableName: "Users"
    };

    const result = await dynamoDb.scan(params).promise();
    return result.Items;
}

exports.handler = async (event, context, callback) => {
    // const data = await getData();
    const data = await getUser();
    
    const response = {
        statusCode: 200,
        body: JSON.stringify(data)
    };
    console.info(response);
    // callback(null, response);
    return response;
}