Docker - introduction
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The document serves as an introduction to Docker for PHP developers, highlighting the benefits of containerization such as ease of deployment and scalability. It covers the setup of various Docker projects, including the creation of Docker images, using Docker Compose to manage multi-container applications, and deploying services like PHP and Redis. Additionally, it discusses techniques for running and scaling applications within a Docker ecosystem.
![<?php
/* www/index.php */
require_once __DIR__.'/vendor/autoload.php';
$client = new PredisClient(['host' => 'redis']);
$counter = $client->incr('counter');
echo "Hostname: ".gethostname().PHP_EOL;
echo " Counter: ".$counter.PHP_EOL;](https://image.slidesharecdn.com/docker2-160522181227/85/Docker-introduction-65-320.jpg)
![DOCKER
PACKAGING OWN APPLICATIONS
▸ Use Dockerfile
▸ COPY project code
▸ Orchestrate [with compose]
▸ Split into multiple containers](https://image.slidesharecdn.com/docker2-160522181227/85/Docker-introduction-78-320.jpg)
Docker - introduction
- 1. DOCKERINTRODUCTION TO CONTAINERS FOR PHP DEVELOPERS
- 2. DOCKER - INTRODUCTION FOR PHP DEVELOPERS MICHAŁ KURZEJA ▸ CTO at accesto.com ▸ [email protected] ▸ @michalKurzeja ▸ Homebrewer ▸ Swimmer/runner
- 4. WHY DOCKER?
- 7. DOCKER SYSTEM DEPENDENCIES PROJECT 1 PROJECT 2 PROJECT 3 * M
- 8. DOCKER SYSTEM DEPENDENCIES Developer 1 Tester Developer 2 CI Staging * N
- 9. DOCKER - INTRODUCTION FOR PHP DEVELOPERS PROJECT DEPENDENCY MATRIX FROM HELL Dev Stage Prod CI PHP ? ? ? ? MySQL ? ? ? ? Redis ? ? ? ? RabbitMQ ? ? ? ? Neo4j ? ? ? ? Hadoop/ Spark ? ? ? ?
- 10. DOCKER - INTRODUCTION FOR PHP DEVELOPERS PROJECT DEPENDENCY MATRIX FROM HELL Dev Stage Prod CI PHP ? ? MySQL ? ? ? Redis ? ? ? ? RabbitMQ ? ? ? ? Neo4j ? ? ? ? Hadoop/ Spark ? ? ? ?
- 11. PROFITS?
- 13. NO DEPENDENCY & NO INCOMPATIBILITY ISSUES
- 15. FULLY AUTOMATED
- 16. EASY TO DEPLOY
- 18. SCALABILITY
- 20. TEKST VIRTUAL MACHINES VS CONTAINERS
- 21. TEKST WHY IS DOCKER FAST?
- 22. IMAGE
- 23. IMAGE LAYER
- 24. imagelayers.io
- 25. CONTAINER
- 26. REPOSITORY
- 27. DOCKER HUB
- 28. DEMO TIME!
- 29. docker run docker/whalesay cowsay PHP!
- 30. docker run docker/whalesay cowsay PHP!
- 31. docker run docker/whalesay cowsay PHP!
- 32. docker run docker/whalesay cowsay PHP!
- 34. docker run -v $PWD:/var/www/html -p 8081:80 php:5.6-apache
- 35. docker run -v $PWD:/var/www/html -p 8081:80 php:5.6-apache
- 36. docker run -v $PWD:/var/www/html -p 8081:80 php:5.6-apache 7.0-apache
- 40. OWN DOCKER IMAGE
- 42. FROM docker/whalesay:latest RUN apt-get -y update && apt-get install -y fortunes Dockerfile
- 43. FROM docker/whalesay:latest RUN apt-get -y update && apt-get install -y fortunes CMD /usr/games/fortune -a | cowsay Dockerfile
- 44. FROM docker/whalesay:latest RUN apt-get -y update && apt-get install -y fortunes CMD /usr/games/fortune -a | cowsay docker build -t docker-whale . Dockerfile
- 45. FROM docker/whalesay:latest RUN apt-get -y update && apt-get install -y fortunes CMD /usr/games/fortune -a | cowsay docker build -t docker-whale . Dockerfile
- 46. FROM docker/whalesay:latest RUN apt-get -y update && apt-get install -y fortunes CMD /usr/games/fortune -a | cowsay docker build -t docker-whale . docker run docker-whale Dockerfile
- 51. EVERYTHING IN ONE CONTAINER ?
- 53. DOCKER COMPOSE
- 54. docker run -v $PWD/www:/var/www/html -p 8081:80 php:7.0-apache
- 55. docker run -v $PWD/www:/var/www/html -p 8081:80 php:7.0-apacheX
- 56. #docker-compose.yml www: image: php:7.0-apache docker run -v $PWD/www:/var/www/html -p 8081:80 php:7.0-apache
- 57. #docker-compose.yml www: image: php:7.0-apache volumes: - ./www:/var/www/html docker run -v $PWD/www:/var/www/html -p 8081:80 php:7.0-apache
- 58. #docker-compose.yml www: image: php:7.0-apache volumes: - ./www:/var/www/html ports: - 8081:80 docker run -v $PWD/www:/var/www/html -p 8081:80 php:7.0-apache
- 59. #docker-compose.yml www: image: php:7.0-apache volumes: - ./www:/var/www/html ports: - 8081:80 docker-compose up
- 62. WWW REDIS
- 63. www: image: php:7.0-apache volumes: - ./www:/var/www/html ports: - 8081:80 redis: image: redis
- 64. www: image: php:7.0-apache volumes: - ./www:/var/www/html ports: - 8081:80 links: - redis redis: image: redis
- 65. <?php /* www/index.php */ require_once __DIR__.'/vendor/autoload.php'; $client = new PredisClient(['host' => 'redis']); $counter = $client->incr('counter'); echo "Hostname: ".gethostname().PHP_EOL; echo " Counter: ".$counter.PHP_EOL;
- 69. version: '2' services: www: image: php:7.0-apache volumes: - ./www:/var/www/html ports: - 8081:80 links: - redis redis: image: redis
- 70. version: '2' services: www: … haproxy: image: 'dockercloud/haproxy:latest' redis: …
- 71. version: '2' services: www: … haproxy: image: 'dockercloud/haproxy:latest' links: - www redis: …
- 72. version: '2' services: www: … haproxy: image: 'dockercloud/haproxy:latest' links: - www ports: - '80:80' redis: …
- 73. version: '2' services: www: … haproxy: image: 'dockercloud/haproxy:latest' links: - www ports: - '80:80' environment: - DOCKER_TLS_VERIFY - DOCKER_HOST - DOCKER_CERT_PATH volumes: - $DOCKER_CERT_PATH:$DOCKER_CERT_PATH redis: …
- 74. docker-compose up -d docker-compose scale www=3 docker-compose ps
- 76. DEEPER?
- 78. DOCKER PACKAGING OWN APPLICATIONS ▸ Use Dockerfile ▸ COPY project code ▸ Orchestrate [with compose] ▸ Split into multiple containers
- 79. DOCKER DEPLOYMENT TIPS&TRICKS ▸ Own in-house docker repository ▸ No direct disk usage ▸ Gaufrette - filesystem abstraction ▸ Logstash - logs ▸ Session in redis/memcached
- 81. QUESTIONS?