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    name that is known to this module.  At this time the only known
    identifying name is `paws` which indicates that the Lambda function
    should use the prebuilt Paws layer in the same region as the Lambda
    function.

        use AWS::Lambda::Quick (
            name => 'email sender',
            extra_layers => [ 'paws' ],
        );

## Installing the CLI tools

This module requires you to have the version 1 AWS CLI tools installed
on your system and configured with your authentication credentials.
Installing the tools are covered in many AWS guides, but can be
quickly summarized as:

    shell$ curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip"
    shell$ unzip awscli-bundle.zip
    shell$ sudo ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws

You'll need to configure awscli with your own personal AWS Access
Key ID and AWS Secret Access Key.  You can create these from the AWS
Management console by following the guide on
[How to quickly find and update your access keys, password, and MFA setting using the AWS Management Console](https://aws.amazon.com/blogs/security/how-to-find-update-access-keys-password-mfa-aws-management-console/)

Once you have your keys you can then use the `configure` command
to update the aws command line utility.

    shell$ aws configure
    AWS Access Key ID [********************]:
    AWS Secret Access Key [********************]:
    Default region name [us-east-1]:
    Default output format [None]:

## Speeding up Code Updates

By default this module will check that everything is configured
correctly in AWS and will make changes as needed.  This requires several
API calls (and several executions of the AWS python command line
tool.)

If you've only changed the source code and want to deploy a new version
you can just do that by setting the `AWS_LAMBDA_QUICK_UPDATE_CODE_ONLY`
enviroment variable:

    shell$ AWS_LAMBDA_QUICK_UPDATE_CODE_ONLY=1 perl lambda-function.pl

In the interest of being as quick as possible, when this is environment
variable is enabled the URL for the upload is not computed and printed
out.

## Enabling debugging output

To gain a little more insight into what is going on you can set
the `AWS_LAMBDA_QUICK_DEBUG` environment variable to enabled
debugging to STDERR:

    shell$ AWS_LAMBDA_QUICK_DEBUG=1 perl lambda-function.pl
    updating function code
    function code updated
    updating function configuration
    searching for existing role
    found existing role
    ...

# AUTHOR

Written by Mark Fowler **mark@twoshortplanks.com**

Copyright Mark Fowler 2019.

This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.

# SEE ALSO

[AWS::Lambda](https://metacpan.org/pod/AWS%3A%3ALambda), [AWS::CLIWrapper](https://metacpan.org/pod/AWS%3A%3ACLIWrapper)