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Vagrant and docker

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Advanced Virtualization Technologies
Vagrant Vs Docker

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Vagrant and docker

  1. 1. Advanced Virtualization - Vagrant - Docker Mr. Mohan Pawar Mr. Richard Joseph
  2. 2. What is Vagrant ? A CLI-based tool for streamlining the use of VM environments (creation, provisioning, usage, & decommissioning)
  3. 3. A "VM environment"? Think of this as one or more VMs (based on a user-specified template) along with networking and possible in-guest software customization. Examples. The classic "3 tier" web/app/DB topology. Trying out new technologies (CoreOS and etcd cluster, Open vSwitch).
  4. 4. Use cases for Vagrant Sharing VM environments with other Users. Accelerating the creation of VM environments. Automating software provisioning inside VM environments. Providing a CLI for creating/destroying/accessing VM environments.
  5. 5. What are the components of Vagrant?
  6. 6. 1. Vagrant ☞ Written in Ruby ☞ Multi-platform (Windows, Linux, OS X) ☞ CLI (no GUI)
  7. 7. 2. Vagrant provider Interfaces with back-end virtualization solution. Vagrant comes with a provider for VirtualBox. Provider for VMware desktop products (Fusion & Workstation) available for a free. Other providers available as open source projects.
  8. 8. 3. Vagrant box Template used when creating VM environments in Vagrant. Boxes are provider-specific. Packer is a related product that can be used to help build Vagrant boxes.
  9. 9. 4. Vagrantfile A text file (written with Ruby syntax) that describes the VM environment.
  10. 10. Vagrant Demo Time !
  11. 11. What is Docker? A CLI tool for simplifying the use of Linux containers. Docker is an open source engine that automates the deployment of any application as a lightweight, portable and self-sufficient that will run virtually anywhere. Package your application into a standardized unit of software development.
  12. 12. Docker : Name Provide a uniformed wrapper around a software package: «Build, Ship and Run Any App, Anywhere» Similar to shipping containers: The container is always the same, regardless of the contents and thus fits on all trucks, cranes, ships, ...
  13. 13. Virtual Machine vs Docker
  14. 14. Docker technology libvirt: Platform Virtualization LXC (LinuX Containers): Multiple isolated Linux systems (containers) on a single host which is replace by LibContainers Layered File System
  15. 15. Run Platforms Various Linux distributions (Ubuntu, Fedora, RHEL, Centos, openSUSE, ...) Cloud (Amazon EC2, Google Compute Engine, Rackspacem, Azure) 2016-12: Microsoft announces plans to integrate Docker with next release of Windows Server
  16. 16. Docker is the world’s leading software containerization platform.
  17. 17. Docker Terminology Persisted snapshot that can be run images: List all local images run: Create a container from an image and execute a command in it tag: Tag an image pull: Download image from repository ◦ rmi: Delete a local image This will also remove intermediate images if no longer used
  18. 18. Images vs Container as Class vs Object
  19. 19. Dockerfile Create images automatically using a build script: «Dockerfile» Can be versioned in a version control system like Git or SVN, along with all dependencies Docker Hub can automatically build images based on dockerfiles on Github
  20. 20. Hands - On Lab Time...!
  21. 21. Docker Use cases Development Environment Environments for Integration Tests Quick evaluation of software Microservices Multi-Tenancy Unified execution environment (dev test prod (local, VM, cloud, ...) e.g. BookMyShow migrated their 3 servers to docker.
  22. 22. Future Scope All IT companies are migrating their servers with docker. Micro-service architecture Serverless computing.
  23. 23. Docker Vs Vagrant
  24. 24. Conclusion Containerization is the fastest, most resource effective, and most secure setup we know to date and docker is drifting the IT world in more agile way to achieved easy to create architecture.
  25. 25. Thank You.

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