Event handler for serverless contact form

ContactFormLambda.js

exports.handler = (event, context, callback) => {
    console.log('Received event:', JSON.stringify(event, null, 2));
    var emailObj = JSON.parse(event.body);
    var params = getEmailMessage(emailObj);
    var sendEmailPromise = sesClient.sendEmail(params).promise();
    
    var response = {
        statusCode: 200
    };
    
    sendEmailPromise.then(function(result) {
        console.log(result);
        callback(null, response);
    }).catch(function(err) {
        console.log(err);
        response.statusCode = 500;
        callback(null, response);
    });
};