docker for web developers

Slides for my talk about docker for web developers. This talk is a demo heavy one and slides are just for intro and some benefits

Transcript

1. For (web) developers
   Docker
   

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2. Lead consultant at Readify
   Yaser Adel Mehraban
   @yashints
   

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3. 1 What is docker
   

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4. “Running isolated
   containers on OS to
   make app deployments
   easier”
   “
   

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5. Physical Server
   Host OS (win, linux, etc)
   Hypervisor (VMWare, HyperV)
   Guest
   OS
   Bins
   /Lib
   App
   Guest
   OS
   Bins
   /Lib
   App
   Guest
   OS
   Bins
   /Lib
   App
   VM
   Physical Server
   Host OS (win, linux, etc)
   Bins/Lib
   App
   A
   App
   A
   Bins/Lib
   App
   B
   App
   B
   App
   B
   Container
   

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6. A set of instructions to tell
   docker how to build an
   image
   DOCKERFILE
   Your host operating system
   (i.e. linux or windows)
   Host
   Starting point, including your
   app bundle, and possibly
   other libs to run
   Image
   Compose is a tool for
   defining and running multi
   container Docker apps
   Docker compose
   A running image
   Container
   Terminology
   

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7. Minimising the difference between
   your local and prod
   Big win for local dev
   What makes it special?
   Thousands of ready to go
   containers
   Big community
   

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8. Various processes on different
   containers will give you the ability
   to implement least privilege
   (exposing the ports you need to
   etc)
   Security
   What else?
   Containers create isolated
   processes, great for running
   different versions of libs (node,
   python, etc)
   App isolation
   

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9. Docker lets you configure your app
   on top of the infrastructure real
   easy, decoupling it from app env
   Easy config
   Even more?
   Setting up environments is super-
   easy. Faster tests, means fastser
   feedback cycles
   Simplified testing
   

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10. Days Hours Minutes Minutes
    Minutes Minutes Seconds < Minute
    Seconds Minutes Seconds Seconds
    Rapid development
    Ships
    within …
    Virtual
    Machine
    Container
    Bare
    Metal
    Manual
    deployments
    takes …
    Automatic
    deployments
    takes …
    Boots in …
    

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11. Demo
    

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12. @yashints
    Any questions?
    Thanks!
    

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