A quick intro to docker presented at the PHP Dublin meetup, and a practical use case of using docker to run multiple PHP versions while doing software development.

1. Docker & PHP
RICARDO MELO
@rjsmelo
PHP Dublin Meetup – March 2016

2. About Me
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Ricardo Melo
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PHP, Mysql, Linux and lots of other OSS
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ZCE, RHCE, LPI 3, ITIL, etc
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+15 years building (and breaking) things
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@rjsmelo
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http://rjsmelo.com

3. Outline
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Docker
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Docker Hub
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Docker Compose
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Multiple PHP Versions under Docker
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Demo

4. Docker
Virtual Machine
Docker

5. Docker – Moving Parts
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Resource Control Groups
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Namespacing
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lxc
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Docker (1.0 in 2014)
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https://www.docker.com/

6. Docker – Basic commands
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docker run -ti centos bash
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docker ps
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docker exec -ti myimage bash

7. Docker Image
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Not a Filesystem nor a Virtual Disk
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More like a tar
– A “compound” tar
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Dockerfile
– docker build

8. Docker Hub
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https://hub.docker.com

9. Docker Hub
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docker pull
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docker commit
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docker push

10. Docker Compose
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Glue your docker container together
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https://docs.docker.com/compose/
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docker-compose.yml

11. Docker Compose - Commands
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docker-compose up
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docker-compose ps
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docker-compose kill
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docker-compose down
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docker-compose run

12. Docker Toolbox
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To run docker under OSX and Windows
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https://www.docker.com/products/docker-toolbox

13. Docker and Multiple PHP Versions – use case

14. Demo
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Demo
– Simple docker usage
– Docker register usage
– Docker Compose
– Docker Compose with multiple PHP Versions
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Code available on github:
– https://github.com/rjsmelo/talk-phpdublin-docker

15. Questions ?
Thank you!
@rjsmelo / rjsmelo at gmail.com