Docker Training

Docker Training in INDIA, Chennai

Docker is an open platform for developers and sysadmins to build, ship, and run distributed applications. Consisting of Docker Engine, a portable, lightweight runtime and packaging tool, and Docker Hub, a cloud service for sharing applications and automating workflows, Docker enables apps to be quickly assembled from components and eliminates the friction between development, QA, and production environments. As a result, IT can ship faster and run the same app, unchanged, on laptops, data center VMs, and any cloud.

docker container training

Docker Container overview

The Docker Engine container comprises just the application and its dependencies. It runs as an isolated process in userspace on the host operating system, sharing the kernel with other containers. Thus, it enjoys the resource isolation and allocation benefits of VMs but is much more portable and efficient.

Docker Course Outline

1.Introducing Containers

  •  The Rise of the Virtual Machine
  • Containers vs VMs
  • What Are Containers?
  • Containers Under the Hood
  • Docker
  • The Future of Docker and Containers
  • Installing Ubuntu Linux and CentOS Linux
  • Downloading Ubuntu
  • Creating a VM to Install Ubuntu
  • Installing Ubuntu
  • Downloading CentOS
  • Creating a VM to Install CentOS
  • Installing CentOS

 

2. Installing and Updating Docker

  • Installing Docker on Ubuntu
  • Installing Docker on CentOS
  • Updating Docker
  • Granting Docker Control to Non-root Users
  • Configuring Docker to Communicate Over the Network
  • Playing Around with Our First Docker Container

3. Major Docker Components

  • Module Intro

  • The High Level Picture

  • The Docker Engine

  • Docker Images

  • Docker Containers

  • Docker Hub

  • A Closer Look at Images and Containers

  • Volumes

  • Persistent Data and Production Containers

  • Image Layers

  • Union Mounts

  • Where Images Are Stored

  • Copying Images to Other Hosts

  • The Top Writeable Layer of Containers

  • One Process per Container

  • Commands for Working with Containers

4. Container Management

  • Module Intro

  • Starting and Stopping Containers

  • PID 1 and Containers

  • Deleting Containers

  • Looking Inside of Containers
  • Low-level Container Info

  • Getting a Shell in a Container

5. Building from a Dockerfile

  • Module Intro

  • Introducing the Dockerfile

  • Creating a Dockerfile

  • Building an Image from a Dockerfile

  • Inspecting a Dockerfile from Docker Hub

6. Working with Registries

  • Module Intro

  • Creating a Public Repo on Docker Hub

  • Using Our Public Repo on Docker Hub

  • Introduction to Private Registries

  • Building a Private Registry

  • Using a Private Registry

  • Docker Hub Enterprise

7. Diving Deeper with Dockerfile

  • Module Intro

  • The Build Cache

  • Dockerfile and Layers

  • Building a Web Server Dockerfile

  • Launching the Web Server Container

  • Reducing the Number of Layers in an Image

  • The CMD Instruction

  • The ENTRYPOINT Instruction

  • The ENV Instruction

  • Volumes and the VOLUME Instruction

8. Docker Networking

  • Module Intro

  • The docker0 Bridge

  • Virtual Ethernet Interfaces

  • Network Configuration Files

  • Exposing Ports

  • Viewing Exposed Ports

  • Linking Containers

9. Troubleshooting

  • Module Intro

  • Docker Daemon Logging

  • Container Logging

  • Planning Image Builds

  • Intermediate Images

  • The docker0 Bridge

  • IPTables

10. How Images Get Built

  • The Build Context

  • Image Layers

  • Caching

  • Base Images

  • Dockerfile Instructions

11. Docker Commands

  • The run Command

  • Managing Containers

  • Docker Info

  • Container Info

  • Dealing with Images

  • Using the Registry

12. Monitoring and Alerting

Hands On Use Cases:

  • Using Docker for sandboxing and testing

  • Deploying applications with Docker

  • Deploying Web Applications on Docker

  • Deploying Mysql as Docker Container

  • Deploying MongoDB as Docker Container

 

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