AWS.config.update({
    accessKeyId: process.env.ACCESS_KEY_ID,
    secretAccessKey: process.env.SECRET_ACCESS_KEY,
});

const CognitoIdentityServiceProvider = AWS.CognitoIdentityServiceProvider;
client = new CognitoIdentityServiceProvider({
    apiVersion: process.env.API_VERSION,
    region: process.env.REGION,
});

const attributes = [{
    Name: 'email',
    Value: request.email,
}, {
    Name: 'family_name',
    Value: request.lastName,
}, {
    Name: 'given_name',
    Value: request.firstName,
}];

const params = {
    ClientId: process.env.CLIENT_ID,
    Password: request.password,
    Username: request.email,
    UserAttributes: attributes,
};

client.signUp(params, (err, data) => {
    if (err) {
        console.log(err);
    } else {
        console.log(data);
    }
});