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Introduction to Docker | Docker and Kubernetes Training

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Learn to build modern infrastructure using docker and Kubernetes containers. Develop and deploy your ASP.NET Core application using Docker. Leverage to learn container technology to build your ASP.NET Core application.

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Introduction to Docker | Docker and Kubernetes Training

  1. 1. For Docker Online Training : +91-999 123 502 Introduction to Docker Shailendra Chauhan Microsoft MVP, Technical Consultant and Corporate Trainer
  2. 2. For Docker Online Training : +91-999 123 502 • Multi-Dimensional Evolution of Computing • What is Container? • Container Platforms • Why Containers? • Virtual Machines vs Containers • Containers and VMs together • Docker Basics • Docker for .NET Applications • Docker Engine Architecture Agenda
  3. 3. For Docker Online Training : +91-999 123 502 Evolution of Computing
  4. 4. For Docker Online Training : +91-999 123 502 • A container is a software that contains an application code and all its dependencies. • Enables an application to run quickly in an isolated environment. • Provide smooth migration from one computing environment to another. • Share the same OS kernel • Works with all major Linux & Windows Server What is Container? Source : www.docker.com
  5. 5. For Docker Online Training : +91-999 123 502 Container Platforms Linux Containers (LXC) Docker (Docker Swarm) Kubernetes RedHat OpenShift DC/OS
  6. 6. For Docker Online Training : +91-999 123 502 • Quickly create ready-to-run packaged applications, low cost deployment • Automate testing, integration and packaging • Reduce/eliminate platform compatibility issues • Supports microservices development Why Containers? • Improve speed and frequency of releases, reliability of deployments • Makes app lifecycle efficient, consistent and repeatable-configure once, run many times • Eliminate environment inconsistencies between dev, test, and production • Provide Scalability on demand For Developers For Administrator
  7. 7. For Docker Online Training : +91-999 123 502 Virtual Machines vs. Containers VMs Source : www.docker.com Containers Source : www.docker.com
  8. 8. For Docker Online Training : +91-999 123 502 • Hardware-level virtualization • Fully isolated • Isolated OS • Having its own kernel • Slower in start-up • Many startup process • Upfront resource allocation Virtual Machine vs. Containers • OS-level virtualization • Process-level isolation • Isolated processes/filesystems • Host machine kernel is used • Faster in start-up • Single Start-up process • No upfront resource allocation
  9. 9. For Docker Online Training : +91-999 123 502 Containers and VMs together Source : www.docker.com
  10. 10. For Docker Online Training : +91-999 123 502 • A light weight, open and secure platform for developing, shipping and running applications using container technology. • Provides Container solutions for developers, architects, DevOps, and IT People. • Run on most Linux distributions, Windows and Mac OS. • Supported by most of cloud providers like AWS, Azure, Google etc. • Provide Dev/Test, CI and DevOps platform for many use cases. Introduction to Docker
  11. 11. For Docker Online Training : +91-999 123 502 • Infrastructure Cost Savings • Standardization and Productivity • Isolation • Security • Makes app lifecycle efficient and consistent • Continuous Deployment and Testing • On Demand Scaling • Multi-Cloud Platforms Support Docker Benefits
  12. 12. For Docker Online Training : +91-999 123 502 Docker Desktop • An application for Mac and Windows to build production-ready container applications • Enables to build and test Linux & Windows based applications at local machine • Available in two editions: • Desktop Community • Desktop Enterprise
  13. 13. For Docker Online Training : +91-999 123 502 Docker For Developers Applications (.NET Core, Java, JS etc.) Windows Server Linux
  14. 14. For Docker Online Training : +91-999 123 502 Docker For .NET Applications .NET Core Windows Nano Server Linux .NET 3.5 & .NET 4.x Windows Server Core Legacy Applications
  15. 15. For Docker Online Training : +91-999 123 502 • Docker File • Docker Image • Docker Container • Docker Registry Docker Basics
  16. 16. For Docker Online Training : +91-999 123 502 Docker File Dockerfile docker build • A simple text file that contains commands to build a docker image. • This file doesn’t have any extension.
  17. 17. For Docker Online Training : +91-999 123 502 • A lightweight, standalone and executable package of software. • Includes everything which is needed to run an application like code, runtime, system tools, system libraries and settings. • An image is stack of multiple read only layers referencing another images. • Created by docker build command. • Stored in Docker registry (eg. Docker Hub). Docker Image Image = Layered File System Base Image (Ubuntu) .NET Core SDK …
  18. 18. For Docker Online Training : +91-999 123 502 • Container is an running instance of a docker image • An isolated and secured shipping container • Run by docker run command Docker Container Operating System Software Application Code docker run
  19. 19. For Docker Online Training : +91-999 123 502 • A Service to host Docker images • Multiple options are available: • Docker Hub - (Free for public images and Paid for private images) • Docker Trusted Registry - (on-prem or on-cloud) Docker Registry Docker Registry docker push docker pull
  20. 20. For Docker Online Training : +91-999 123 502 Docker Container Life Cycle Run Dockerfile Build Docker Registry Pull Push Stop Start Restart Docker Local Instance Commit
  21. 21. For Docker Online Training : +91-999 123 502 • A runtime to build and run container based applications which can run anywhere consistently on any infrastructure. • Runs on various Linux (CentOS, Debian, Fedora, Oracle Linux, RHEL, SUSE, and Ubuntu) and Windows Server OS. • Provides built in orchestration, container networking, out of the box security, volume and plugins. Docker Engine
  22. 22. For Docker Online Training : +91-999 123 502 Server Daemon Docker Engine Architecture Volumes Images Networks Plugins R E S T A P I Docker CLI Docker Engine Containers

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