giuseppe-trisciuoglio/developer-kit

Comprehensive developer toolkit providing reusable skills for Java/Spring Boot, TypeScript/NestJS/React/Next.js, Python, PHP, AWS CloudFormation, AI/RAG, DevOps, and more.

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AWS Lambda PHP Best Practices

Name: giuseppe-trisciuoglio/developer-kit
Rating: 89.68656716417911 (1 reviews)
Author: giuseppe-trisciuoglio

Best practices, constraints, and security considerations for PHP Lambda development.

Memory and Timeout Configuration

Memory: Start with 512MB for Symfony, 256MB for raw PHP
Timeout: Set based on expected processing time
- Symfony: 10-30 seconds for cold start buffer
- Raw PHP: 3-10 seconds typically sufficient

Dependencies

Keep composer.json minimal:

{
    "require": {
        "php": "^8.2",
        "bref/bref": "^2.0",
        "symfony/framework-bundle": "^6.0"
    },
    "config": {
        "optimize-autoloader": true,
        "preferred-install": "dist"
    }
}

Error Handling

Return proper Lambda responses:

try {
    $result = processRequest($event);
    return [
        'statusCode' => 200,
        'body' => json_encode($result)
    ];
} catch (ValidationException $e) {
    return [
        'statusCode' => 400,
        'body' => json_encode(['error' => $e->getMessage()])
    ];
} catch (Exception $e) {
    error_log($e->getMessage());
    return [
        'statusCode' => 500,
        'body' => json_encode(['error' => 'Internal error'])
    ];
}

Logging

Use structured logging:

error_log(json_encode([
    'level' => 'info',
    'message' => 'Request processed',
    'request_id' => $context->getAwsRequestId(),
    'path' => $event['path'] ?? '/'
]));

Lambda Limits

Deployment package: 250MB unzipped maximum (50MB zipped)
Memory: 128MB to 10GB
Timeout: 29 seconds (API Gateway), 15 minutes for async
Concurrent executions: 1000 default

PHP-Specific Considerations

Cold start: PHP has moderate cold start; use Bref for optimized runtimes
Dependencies: Keep composer.json minimal; use Lambda Layers for shared deps
PHP version: Use PHP 8.2+ for best Lambda performance
No local storage: Lambda containers are ephemeral; use S3/DynamoDB for persistence