Docker & PHP

Docker seems to be the feature of web apps deployment. This presentation shows how to use it in PHP development.

Links:
https://registry.hub.docker.com/u/sskorc/silex
https://github.com/sskorc/docker-silex
https://github.com/sskorc/docker-symfony
https://github.com/schibsted-seals/wordpress-docker-example
https://speakerdeck.com/ubermuda/a-multi-container-symfony2-setup-with-docker

Transcript

1. DOCKER
   The future of web apps deployment
   Szymon Skórczyński
   Schibsted Tech Polska
   PHPers Tricity
   December 15, 2014
   

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2. ONCE UPON A TIME…
   

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3. TODAY
   

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4. TOP PROBLEMS
   Isolation
   from host OS and other environments
   Traceability
   of configuration changes
   Portability
   to share with colleagues and deploy easily
   

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5. YESTERDAY’S SOLUTION
   Virtualization
   Provisioning
   Orchestration
   

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6. GOOD, BUT NOT PERFECT
   

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7. TODAY’S SOLUTION
   

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8. KEY FACTS
   • written in Go in dotCloud, a PaaS provider
   • became open source in March 2013
   • in June 2014 released stable ver. 1.0
   • current version is 1.4
   

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9. POPULARITY
   angular.js
   laravel
   symfony
   ansible
   vagrant
   chef
   puppet
   0 10 000 20 000 30 000 40 000
   2 779
   3 186
   8 088
   8 518
   9 274
   13 251
   17 092
   32 145
   Number of stars on GitHub
   (November 28, 2014)
   docker
   

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10. PARTNERS
    

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11. THE METAPHOR
    

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13. HOW DOES IT WORK?
    

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14. THE ECOSYSTEM
    Image
    is like OVF or ISO
    Container
    is a running image
    Repository
    is a place to store images
    

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15. THE DIFFERENCE
    Host OS
    Hypervisor
    Guest
    OS
    Guest
    OS
    Guest
    OS
    bins/libs bins/libs bins/libs
    App A App A` App B
    Host OS
    Docker
    bins/libs bins/libs
    App A
    App A’
    App B
    App B’
    App B’
    App B’
    VM
    Docker container
    Docker
    Standard VMs
    

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16. ADVANTAGES
    

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17. USAGE
    docker pull downloads an image
    docker run starts a container
    docker commit saves changes in an image
    docker push uploads an image
    

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18. DEMO
    

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19. LESSONS LEARNED
    AT SCHIBSTED
    

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20. ISSUE #1
    ONE CONTAINER
    

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21. DOCKERFILE
    ### Install Supervisor
    RUN apt-get install -y supervisor && mkdir -p /var/log/
    supervisor
    ADD docker/supervisord.conf /etc/supervisor/conf.d/
    supervisord.conf
    ### Install SSH, MongoDB, PHP, Apache2, composer
    ### (...)
    CMD supervisord -c /etc/supervisor/conf.d/
    supervisord.conf
    

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22. SUPERVISORD.CONF
    [supervisord]
    nodaemon=true
    logfile=/var/www/phpers/app/logs/supervisord.log
    loglevel=debug
    [program:sshd]
    command=/usr/sbin/sshd -D
    [program:mongod]
    command=/usr/bin/mongod --smallfiles
    autorestart=true
    [program:apache2]
    command=/bin/bash -c "source /etc/apache2/envvars &&
    exec /usr/sbin/apache2ctl -DFOREGROUND"
    

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23. ISSUE #2
    WORKING ON MAC
    

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24. VAGRANT + DOCKER
    Host (MacOS)
    Vagrant
    Proxy VM (Ubuntu)
    Docker
    Container
    Supervisor
    Apache MongoDB
    

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25. VAGRANTFILE
    VAGRANTFILE_API_VERSION = "2"
    Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
    config.ssh.username="root"
    config.vm.provider "docker" do |d|
    d.name = "phpers"
    d.build_dir = "."
    d.ports = ["80:80", "27017:27017"]
    d.volumes = [
    "/vagrant/:/var/www/phpers:rw",
    "/data/db/:/data/db:rw"
    ]
    d.vagrant_vagrantfile = "proxy/Vagrantfile.proxy"
    end
    end
    

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26. VAGRANTFILE.PROXY
    VAGRANTFILE_API_VERSION = "2"
    Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
    config.vm.box = "ubuntu/trusty64"
    config.vm.provision "docker"
    config.vm.provision "shell", inline:
    "ps aux | grep 'sshd:' | awk '{print $2}' | xargs kill"
    config.vm.network "private_network", ip: "192.168.33.12"
    config.vm.network "forwarded_port", guest: 80, host: 80
    config.vm.network "forwarded_port", guest: 27017, host: 27017
    config.vm.synced_folder "./../", "/vagrant", type: "nfs"
    config.vm.provider "virtualbox" do |v|
    v.name = "PHPers"
    v.memory = 2048
    end
    end
    

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27. +
    

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28. ISSUE #3
    THE PROCESS
    

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29. DEVELOPERS SITE
    sources with dockerfile
    Developer GitHub
    build image
    run image
    

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30. REMOTE SITE
    sources
    dockerfile
    image
    image
    sources
    image
    GitHub
    CircleCI
    AWS
    Docker Hub
    build image
    build
    with
    run
    with
    run
    with
    fire!
    

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31. REMOTE SITE
    sources
    dockerfile
    image
    image with
    sources
    image
    GitHub
    CircleCI
    AWS
    Docker Hub
    build
    build image
    with sources
    run image
    with sources
    run
    with
    fire!
    

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32. REMOTE SITE
    sources
    dockerfile
    image
    image
    sources
    image with
    sources
    GitHub
    CircleCI
    AWS
    Docker Hub
    build
    build
    with
    run
    with
    run image
    with sources
    fire!
    

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33. REMOTE SITE
    sources
    dockerfile
    image
    image with
    sources
    image with
    sources
    GitHub
    CircleCI
    AWS
    Docker Hub
    build image
    build image
    with sources
    run image
    with sources
    run image
    with sources
    fire!
    

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34. SHOULD YOU TRY DOCKER?
    

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35. REPOS
    https://github.com/sskorc/docker-silex
    https://github.com/sskorc/docker-symfony
    https://registry.hub.docker.com/u/sskorc/silex
    

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36. THAT’S ALL,
    THANKS!
    @sskorc
    

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