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Docker and Azure: Design, Deploy, and Scale


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There is already significant momentum in the industry toward building applications for containerized environments - with Docker leading the way. If you don’t develop applications with containers and micro services architecture in mind, rest assured you will. This session will provide a look at the designing, developing, and deploying distributed applications to Docker on Azure - including a look at the ecosystem of resources and tools like Docker Hub, Kubernetes, and Swarm.

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Docker and Azure: Design, Deploy, and Scale

  1. 1. Docker and Azure: Design, Deploy, and Scale Michele Leroux Bustamante Cofounder, Solliance Cloud / Security Architect
  2. 2. What’s the plan? • Discuss what’s available on Azure for Docker • How do you create, deploy and run containers? • What does scaling look like? • Where are things heading?
  3. 3. Virtualization vs. Containerization VM OS Docker Engine VM Host OS Hypervisor Guest OS Guest OS Guest OS Binaries Binaries Binaries App A App B App B Binaries Shared Binaries App A App B App B Container NOT a Container
  4. 4. Virtualization vs. Containerization VM OS Docker Engine VM Host OS Hypervisor Guest OS Guest OS Guest OS Binaries Binaries Binaries App A App B App B Binaries Shared Binaries App A App B App B No OS OS Fast Efficient Simple Practical
  5. 5. DEMO 1: Registry, Images, Containers • SETUP: • Docker Tools installed • Local virtual box • Download existing image • Create and run container • Access application • Stop / start container
  6. 6. ###DEMO1: REFERENCE ### Local Docker illustration #Run a Ghost container based on the latest Docker Hub image #Browse to site at virtual box IP:PORT ###Commands: $ docker images $ docker ps $ docker stop ghost $ docker run ghost
  7. 7. Docker and Azure • VM templates • Support for Docker on Linux or Windows VM • Container images target the OS, cannot share • Container Service • Azure Container Service • ARM templates to preconfigure environment • Eventually containers as a first class citizen • Eventually container orchestration built-in (Mesos) • Comparable to: • Amazon EC2 Container Service • Google Container Service
  8. 8. Azure VM Templates • Create Linux or Windows VM with Docker installed • Docker VM Extension • Docker CLI commands are the same on Windows!
  9. 9. Container Templates • Single container • Multi-container
  10. 10. Images and Containers • Images are created from • Dockerfile • Repository • Create one from a container • Containers are based on an image • Run a container, stop, start, etc.
  11. 11. DEMO 2: Create, tag, publish image -> run • Build an image from a Dockerfile • Tag an image, for versioning • Publish an image to Docker Hub • Run a container from published image • Update an image, apply tag, publish an update
  12. 12. ###DEMO2 REFERENCE #build image, push to docker hub, run container #Create a Linux VM with Docker installed ###Building from the machine #Navigate to repo for Docker Hub /dasblonde/editdemo, review files #Build the image, tag it, push it to Docker Hub $ docker build --no-cache -t dasblonde/editdemo . $ docker tag dasblonde/editdemo:latest dasblonde/editdemo:v1 $ docker push dasblonde/editdemo #Show Docker Hub registry $ docker run -d --name editdemov1 -p 8080:8080 dasblonde/editdemo:v1 #Browse to machine at port 8080
  13. 13. ###DEMO2 REFERENCE (2/2) #version image, publish update, run container from versioned image #Update Dockerfile to create from base v1 image and modify $ docker build -t dasblonde/editdemo:v2 -f DockerfileUpdateToV2 . #Review images, note latest points at v1 $ docker tag -f dasblonde/editdemo:v2 dasblonde/editdemo:latest $ docker push dasblonde/editdemo #Note updates to Docker Hub versions #Run new version $ docker run -d --name editdemov2 -p 8081:8080 dasblonde/editdemo:v2
  14. 14. DEMO 3: Access container, modify, run • Log in to container on Docker VM • Modify a file • Save, exit, run container
  15. 15. ###DEMO3 REFERENCE #Access container, modify files, run container with changes ### connect to the container, modify file, exit $ docker exec -ti editdemov2 /bin/bash $ vi FILENAME $ CTRL + D ### commit container changes to a new image v3, tag it $ docker commit –m “installed VIM” editdemov2 dasblonde/editdemo:v3 $ docker tag -f dasblonde/editdemo:v3 dasblonde/editdemo:latest ### push images to Docker Hub $ docker push dasblonde/editdemo ### create and run container v3 $ docker run -d --name editdemov3 -p 8082:8080 dasblonde/editdemo:v3
  16. 16. DEMO 4: compose multiple containers • ASSUMPTION: Docker Compose is installed • Create a yml file to compose containers • Example: • Node.js client, external port • Redis cache service, internal port
  17. 17. ### Install docker-compose if not available # NOTE: Compose 1.4.2 requires Docker 1.7.0 or later $ curl -L `uname -s`-`uname -m` > /usr/local/bin/docker-compose $ chmod +x /usr/local/bin/docker-compose
  18. 18. ###DEMO4 REFERENCE ### navigate to yml folder, create and start containers $ docker-compose up –d ### stop / start /restart containers $ docker-compose stop $ docker-compose start $ docker-compose restart ### view logs $ docker-compose logs ### browse to container, app is deployed
  19. 19. Orchestration • Orchestrators schedule deployments usually across a cluster • For example: • Swarm and Compose (Docker) • Kubernetes (Google) • Mesos + Swarm, Chronos, Marathon (Mesosphere)
  20. 20. Clustering with Swarm • ARM templates available to kick start • Simple cluster template • Single swarm master • Multiple agent nodes (3) • Clustered swarm template • Multiple swarm master/slave topology (3) • Multiple agent nodes (3)
  21. 21. DEMO 5: Deploying to a cluster with swarm • SETUP: • Provision Azure with ARM template • Swarm master node • Agent nodes each have swarm agent running • Deploy to swarm master • View provisioned containers across cluster • View information about the cluster
  22. 22. ###DEMO5 REFERENCE # deploy to swarm from remote machine # or could access swarm master and do from that machine ### what’s in the swarm? ### replace IP with your swarm DNS docker -H tcp:// ps docker -H tcp:// info ### deploy something, ghost on swarm docker -H tcp:// run -d ghost ### deploy more, another ghost, redis etc # note swarm decides how to allocate based on cluster resources
  23. 23. Containers / Microservices on Azure • Now: • Linux VMs • Windows Server Container VMs • Container Templates • Container / VM Clustering Templates • Future: • Hyper-V Containers • Azure Container Service • Container Resources • Mesosphere Data Center Operating System (DCOS) • Service Fabric
  24. 24. DCOS • See 7 minute demo at Mesosphere site regarding DCOS • Very impressive vision regarding container orchestration, scale and disaster recovery
  25. 25. About Michele Michele Leroux Bustamante @michelebusta Solliance Cofounder Cloud / Security Architect Microsoft Regional Director since 2003 Microsoft MVP – Microsoft Azure Azure Elite, Azure Insider
  26. 26. Glöm inte att utvärdera sessionen direkt i Microsoft TechDays-appen!