lambda-signup.js

var aws = require('aws-sdk');
var db = new aws.DynamoDB();

exports.handler = function(signup, context) {
    console.log('Received signup:', JSON.stringify(signup, null, 2));
    
    var query = {
        TableName: 'Signups',
        Item: {
            Id: { 'S': signup.id },
            EmailAddress: { 'S': signup.email_address },
            CreatedAt: { 'S': new Date().toISOString() }
        }
    };
    
    db.putItem(query, function (err, data) {
        if (err) {
            console.log(JSON.stringify(err, null, 2));
            context.fail('Error with putItem');
        } else {
            context.succeed({ success: true });
        }
    });
};