Serverless PHP @ 4Developers 2019

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Serverless PHP Sebastian Grodzicki @ 4Developers 2019 @sebgrodzicki

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phpinfo() Sebastian Grodzicki  • CTO at SHOWROOM • PHP developer for 15+ years • #serverless @sebgrodzicki

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SHOWROOM

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SHOWROOM

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Serverless • storage as a service (e.g. Amazon S3), • database as a service (e.g. Amazon Aurora), • message queue as a service (e.g. Amazon SQS), • etc.

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Serverless replaces the traditional approaches to running applications.

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Platform options Physical servers Virtual machines Containers Platform Serverless Abstraction Control

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Why serverless? • We don't manage, update, conﬁgure, provision servers or containers, • We don't reserve or scale servers or containers, instead they are scaled automatically and transparently for us, • We don't pay for ﬁxed resources, instead we pay for what we actually use (e.g. execution time).

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Serverless can provide more scalable, affordable and reliable architectures for less effort.

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Data center evolution DC

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Data center evolution DC VM VM VM VM VM VM VM VM VM VM VM VM

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Data center evolution DC VM C C C C C C VM C C C C C C VM C C C C C C VM C C C C C C VM C C C C C C VM C C C C C C VM C C C C C C VM C C C C C C VM C C C C C C VM C C C C C C VM C C C C C C VM C C C C C C

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Data center evolution   DNS   CDN

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Data center evolution PaaS IaaS SaaS

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Function as a Service (FaaS)

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FaaS AWS Lambda Microsoft Azure Functions Google Cloud Functions

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Bref

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$ composer require mnapoli/bref CLI

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$ composer require mnapoli/bref $ vendor/bin/bref init CLI

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$ composer require mnapoli/bref $ vendor/bin/bref init $ aws s3 mb s3://4developers CLI

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$ composer require mnapoli/bref $ vendor/bin/bref init $ aws s3 mb s3://4developers $ sam package \  --output-template-file .stack.yaml \  --s3-bucket 4developers CLI

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$ composer require mnapoli/bref $ vendor/bin/bref init $ aws s3 mb s3://4developers $ sam package \  --output-template-file .stack.yaml \  --s3-bucket 4developers $ sam deploy \  --template-file .stack.yaml \  --capabilities CAPABILITY_IAM \  --stack-name php4developers CLI

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$ sam package \  --output-template-file .stack.yaml \  --s3-bucket 4developers $ sam deploy \  --template-file .stack.yaml \  --capabilities CAPABILITY_IAM \  --stack-name php4developers CLI

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Benchmarks: Cold starts 128 512 1024 2048 PHP function 600 ms 280 ms 225 ms 215 ms HTTP application 500 ms 270 ms 270 ms 215 ms Symfony 5.6 s 1.7 s 850 ms 550 ms

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Benchmarks: Average (warm) execution time 128 512 1024 2048 PHP function 130 ms 32 ms 20 ms 17 ms HTTP application 13 ms 5 ms 3 ms 2 ms Symfony 56 ms 12 ms 6 ms 5 ms

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Benchmarks: CPU performance 128 512 1024 2048 bench.php 6 s 1.8 s 0.8 s 0.4 s

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Simplicity Performances Reliability Jobs, Cron ⬤ ⬤ ⬤ API ⬤ ⬤ ⬤ API with MySQL / PostgreSQL ⬤ ⬤ ⬤ Website ⬤ ⬤ ⬤ Website with MySQL / PostgreSQL ⬤ ⬤ ⬤ Legacy application ⬤ ⬤ ⬤

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