CakePHP in a containerized CI-CD environment

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CAKEPHP IN A CONTAINERIZED CI/CD ENVIRONMENT

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WHO IS THIS GUY? STEFAN VAN GASTEL ▸ Age 32 ▸ Netherlands ▸ Zundert ▸ Vincent van Gogh ▸ Flower parade ▸ CakePHP since 1.2 ▸ CakeFest since 2012 2

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WHO IS THIS GUY? STEFAN VAN GASTEL ▸ Dutch Ministry Of Defence (MOD) ▸ Since 2006 ▸ Technical lead ‘Mobile Apps Military Police’ ▸ Front-end ▸ Back-end ▸ Services ▸ Infrastructure ▸ Architecture 3

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WHO IS THIS GUY? Not this kind of guy… More like this guy… 4

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CONTAINERS WHAT ARE CONTAINERS? Unlike VMs, containers do not bundle a full operating system - only libraries and settings required to make the software work are needed. This makes for efﬁcient, lightweight, self-contained systems and guarantees that software will always run the same, regardless of where it’s deployed. Source: https://docker.com 5 Vary in: - Speed - Resource usage - Footprint - Isolation

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CONTAINERS WHAT IS DOCKER? Docker is the world’s leading software container platform. Developers use Docker to eliminate “works on my machine” Operators use Docker to run and manage apps side-by- side in isolated containers to get better compute density. Source: https://docker.com 6

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CONTAINERS CAN RUN ON ANY LINUX BASED OS AND WINDOWS SERVER 2016 Source: https://docker.com 7

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USAGE WITHIN THE MOD USING CONTAINERS 8 DOCKER FOR OVER 10 YEARS

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BRACE YOURSELF WARNING! Everything we build and run is in an ofﬂine, on-premise intranet infrastructure. 9

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CAKEPHP WHERE DOES CAKEPHP FIT IN? 10

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CI/CD PIPELINES HOW OUR CAKE MOVES Development Commit & Push Gitlab Container Registry Test Qa Review / Staging Build Build & Push Pull & Test Pull & Check Pull & Deploy 11

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PRODUCTION HOW OUR CAKE GETS EATEN Event Same old sh*t 12

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LESSONS LEARNED 1 OF 3 MINDSET 13

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LESSONS LEARNED 2 OF 3 12 FACTOR APPS III. Conﬁg | Store conﬁg in the environment IV. Backing services | Treat backing services as attached resources IX. Disposability | Maximize robustness with fast startup and graceful shutdown https://12factor.net 14

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LESSONS LEARNED 2 OF 3 12 FACTOR APPS III. Conﬁg | Store conﬁg in the environment 15

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LESSONS LEARNED 2 OF 3 12 FACTOR APPS IV. Backing services | Treat backing services as attached resources 16

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LESSONS LEARNED 2 OF 3 12 FACTOR APPS IX. Disposability Maximize robustness with fast startup and graceful shutdown 17

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LESSONS LEARNED 3 OF 3 CONTAINERS ARE REVOLUTION, NOT EVOLUTION 18

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LESSONS LEARNED 3 OF 3 CONTAINERS ARE REVOLUTION, NOT EVOLUTION 19

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CAKEPHP AND DOCKER DEMO

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CAKEPHP AND DOCKER RESOURCES ▸ Examples ▸ https://github.com/stefanvangastel/docker-cakephp ▸ http://blog.danielcorreia.net/practical-docker-apache-php-and- mysql-cakephp-example/ ▸ https://hub.docker.com/r/occitech/cakephp/ ▸ Docker ▸ https://docs.docker.com/engine/userguide/eng-image/ dockerﬁle_best-practices/ ▸ https://blog.replicated.com/engineering/refactoring-a-dockerﬁle- for-image-size/

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BE HONEST ANY QUESTIONS? $ docker run -i answers:latest ▸ Feedback ▸ https://joind.in/talk/095fd ▸ Contact me ▸ [email protected] / [email protected] ▸ https://www.linkedin.com/in/stefan-van-gastel ▸ Slides ▸ https://speakerdeck.com/stefanvangastel/cakephp-in-a-containerized-ci-cd-environment