Ops Made Easy: An introduction to using Docker

Transcript

1. Ops Made Easy
   An introduction to using Docker
   Tom Paulus
   @tompaulus
   https://github.com/tpaulus
   https://tompaulus.com
   

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2. © Tom Paulus @tompaulus https://tompaulus.com
   What is Ops?
   

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3. Traditional Method
   • Multiple VMs run on unit of hardware
   • Each VM is completely independent and
   runs its own Guest OS
   • Hypervisor monitors and supports VMs
   running on the infrastructure
   © Tom Paulus @tompaulus https://tompaulus.com
   App A
   Bins/Libs
   Guest OS
   App B
   Bins/Libs
   Guest OS
   App C
   Bins/Libs
   Guest OS
   Hypervisor
   Infrastructure
   VM
   

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4. © Tom Paulus @tompaulus https://tompaulus.com
   What is Docker?
   

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5. Containerized Method
   • Containers can share the Host OS with
   other containers, making them much
   smaller and simpler
   • Because of this they start almost instantly
   and managing containers is much easier
   as we will see
   © Tom Paulus @tompaulus https://tompaulus.com
   App A
   Bins/Libs
   App B
   Bins/Libs
   App C
   Bins/Libs
   Host OS
   Infrastructure
   CONTAINER
   Docker
   

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6. © Tom Paulus @tompaulus https://tompaulus.com
   Docker in Practice
   

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7. Testing your Docker Install
   © Tom Paulus @tompaulus https://tompaulus.com
   

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8. Real-Life Application
   © Tom Paulus @tompaulus https://tompaulus.com
   • Wordpress presents us with a perfect
   application
   • Composed of a Web Server
   (commonly nginx) and a DB
   (commonly MySQL)
   Wordpress
   MySQL
   

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9. Real-Life Application
   © Tom Paulus @tompaulus https://tompaulus.com
   docker run \
   --name demo-mysql \
   -e MYSQL_ROOT_PASSWORD=my-secret-pw \
   -d \
   mysql
   

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10. Real-Life Application
    © Tom Paulus @tompaulus https://tompaulus.com
    docker run \
    --name demo-wordpress \
    --link demo-mysql:mysql \
    -p 8080:80 \
    -d \
    wordpress
    

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11. Real-Life Application
    © Tom Paulus @tompaulus https://tompaulus.com
    http://localhost:8080
    

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12. © Tom Paulus @tompaulus https://tompaulus.com
    Demo
    

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13. Want to Learn More?
    • Docker’s Website and the Community Hub
    • https://www.docker.com
    • https://store.docker.com
    • Google & the Community
    • There are tons of resources online, just a quick Google Search Away!
    © Tom Paulus @tompaulus https://tompaulus.com
    

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14. © Tom Paulus @tompaulus https://tompaulus.com
    

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15. © Tom Paulus @tompaulus https://tompaulus.com
    https://tpaul.us/docker-talk
    Slides Available Online:
    

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16. © Tom Paulus @tompaulus https://tompaulus.com
    

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