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Showing content from https://github.com/leocavalcante/aws-lambda-swoole-runtime below:

leocavalcante/aws-lambda-swoole-runtime: λ Run PHP Coroutines & Fibers as-a-Service on the AWS Lambda.

Run PHP Coroutines & Fibers as-a-Service on the AWS Lambda.

<?php declare(strict_types=1);

use Swoole\Coroutine;

/**
 * It is already inside a Coroutine context (i.e.: Co\run)
 */
function main(array $context): string
{
    $channel = new Coroutine\Channel(2);
    $context['greet'] ??= 'World';

    Coroutine::create(static function() use ($context, $channel): void {
        Coroutine::sleep(1);
        $channel->push("{$context['greet']}!");
    });

    Coroutine::create(static function() use ($channel): void {
        Coroutine::sleep(0.5);
        $channel->push('Hello');
    });

    return implode(', ', [$channel->pop(), $channel->pop()]);
}

The main(array $context) function here is not optional, the runtime will make a call to a main function passing a array representing the context. The return should be something scalar or a JsonSerializable object.

FROM leocavalcante/aws-lambda-swoole-runtime
# The WORKDIR is already /var/task
COPY composer.* .
RUN composer install -o --prefer-dist --no-dev
# This split avoids a call to composer install on every change to a source-code file
COPY . .

To test AWS Lambda functions based on Container images locally, Amazon provides the AWS Lambda Runtime Interface Emulator (RIE).

It is a proxy for the Lambda Runtime API that allows you to locally test your Lambda function packaged as a container image. The emulator is a lightweight web server that converts HTTP requests into JSON events to pass to the Lambda function in the container image.

docker build -t my-aws-lambda-function .

Also grab the 8080 port on the container, it will be where the emulator will bind to.

docker run --rm -v "$(pwd)/aws-lambda-rie:/aws-lambda-rie" --entrypoint /aws-lambda-rie -p 9000:8080 my-aws-lambda-function

POST http://localhost:9000/2015-03-31/functions/function/invocations
Content-Type: application/json

{"greet": "Swoole"}

Or:

curl -XPOST http://localhost:9000/2015-03-31/functions/function/invocations -d '{"greet": "Swoole"}'

You should be seeing:

HTTP/1.1 200 OK
Date: Fri, 19 Mar 2021 17:44:58 GMT
Content-Length: 16
Content-Type: text/plain; charset=utf-8

"Hello, Swoole!"

aws ecr get-login-password --region us-east-1 | docker login --username AWS --password-stdin 884320951759.dkr.ecr.us-east-1.amazonaws.com

Don't forget to change region us-east-1 and the AWS Account ID (884320951759).

It assumes that you already have the AWS Command Line Interface (aws) and it is already configured (aws configure). And yes, a Private ECR already created.

⚠️ Also make sure that you will be using a Private ECR on the same Account that your Lambda function.

docker build -t 884320951759.dkr.ecr.us-east-1.amazonaws.com/lambda-swoole-runtime-example .
docker push 884320951759.dkr.ecr.us-east-1.amazonaws.com/lambda-swoole-runtime-example

You can use the Web UI to create a Function based on it:

MIT License
Copyright (c) 2021 Leo Cavalcante

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