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Docker Mentorweek beginner workshop notes

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Docker Mentorweek beginner workshop notes

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Docker Mentorweek beginner workshop notes

  1. 1. DOCKER MENTOR WEEK – BEGINNER HANDSON WORKSHOP Presenter Name: Sreenivas Makam Presented at: Microsoft, Bangalore Presentation Date: Nov 19, 2016
  2. 2. About me • Senior Engineering Manager at Cisco Systems Data Center group • Author of “Mastering CoreOS” https://www.packtpub.com/networking-and- servers/mastering-coreos/ ) • Docker Captain(https://www.docker.com/community/docker- captains ) • Blog: https://sreeninet.wordpress.com/ • Code hacks: https://github.com/smakam • Linkedin: https://in.linkedin.com/in/sreenivasmakam • Twitter: @srmakam
  3. 3. Docker host choices Windows: Toolbox or native Windows host can be used. https://www.docker.com/products/docker-toolbox https://docs.docker.com/docker-for-windows/ Mac: Toolbox or native Mac host can be used. https://docs.docker.com/docker-for-mac/ Cloud: AWS, Google Cloud or Azure can be used. Note: Docker-machine can be used to manage multiple hosts easily (https://docs.docker.com/machine/)
  4. 4. Azure and Docker hub access Microsoft azure pass redeem instructions: • https://www.microsoftazurepass.com/howto Create microsoft account: • https://login.live.com/ Azure account access: • https://account.windowsazure.com Docker hub account: • https://hub.docker.com/
  5. 5. Azure notes Virtual machine to use for Linux: Select "Docker on Ubuntu server“. Docker is preinstalled in this VM. Virtual machine to use for Windows: Select “Windows Server 2016 Datacenter - with Containers” VM. Expose ports: Use “Endpoints” under VM. (This is the only option available under “classic” azure mode) Under ARM, use Network security group to expose ports. More details (http://azureblogger.com/2016/02/azure-vms- allowing-communication-on-selected-ports/)
  6. 6. Labs Link: http://training.docker.com/category/docker-mentor-week Linux beginner: (Lab 1) • pulling and running docker images • exposing ports • Dockerfile - to build container images • Python Flask app that displays random cat pix • multi-container voting app using docker-compose Windows beginner: (Lab 2) • Setting up Windows server with Docker • Running simple Contianer • Multi-container app using Compose Operations beginner: (Lab 3) • Dockercoins app deployment using compose • Swarm mode setup • Swarmkit • Docker service • Setup local registry and push images to local registry • create overlay network • deploy service • Scale app
  7. 7. Multi-Container voting app (Lab 1) https://github.com/docker/example-voting-app
  8. 8. Ports to open up for Swarm (Lab 3) • TCP port 2377 for cluster management communications • TCP and UDP port 7946 for communication among nodes • TCP and UDP port 4789 for overlay network traffic
  9. 9. Dockercoins app (Lab 3) How DockerCoins works: • Worker asks to rng to give it random bytes • Worker feeds those random bytes into hasher • Each hash starting with 0 is a DockerCoin • DockerCoins are stored in redis • redis is also updated every second to track speed • You can see the progress with the webui https://github.com/jpetazzo/orchestration- workshop/tree/master/dockercoins

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