The document discusses Docker, including comparing virtual machines to Docker containers, how Docker uses cgroups to isolate resource usage, and how Docker allows building, shipping, and running distributed applications. It also provides an agenda that covers installing Docker, building sample applications with Docker like Node.js and Rails apps, using Docker Compose to build multi-container apps, and deployment architectures with Docker Swarm.

1. Presented By
Sivakumar
Build & Deploy Apps with
Docker

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• Virtual machine Vs Docker
• Docker
• Sample Application With Docker
• Docker Compose
• Apps Deployed with Docker
Agenda

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• https://docs.docker.com/install/
• https://docs.docker.com/get-started/
• https://docs.docker.com/compose/install/
• https://docs.docker.com/install/linux/linux-
postinstall/
Installation

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VirtualMachine Vs Docker
Server
Hypervisor
Host OS
App 1
MySQL
Guest OS
App 1
MySQL
Guest OS
Server
Container Engine
Host OS
MySQL App 1

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• cgroups - its a linux kernel feature that
limits, accounts for, and isolates the
resource usage (CPU, memory, disk I/O,
network, etc.) of a collection of processes.
• Docker depends on cgroup
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/resource_management_guide/ch01
cgroups

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• Platform for distributed application
• Runs on host OS
• MicroServices Language
Build, Ship, Run
Docker

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• Hello World
docker run hello-world
Docker

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• Build Docker Image (docker-commit)
https://code.spritle.com/snippets/33
Docker

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• Docker history (image history)
docker login
Docker

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• docker tag
docker tag ubuntu-myapp spritlesoftware/ubuntu-myapp
docker push spritlesoftware/ubuntu-myapp
Docker

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• Docker hub
• ECR
• Private Docker registry
Docker Registry

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• Tool for building Multi-container application
• Create Dockerfile
• Define the services in docker-
compose.yml
• Run docker-compose up
Docker compose

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• Create Simple NodeJS App
https://code.spritle.com/snippets/31
NodeJS App with Docker

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• Create Simple Ract App
https://code.spritle.com/snippets/32
React App Docker

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• Create Simple Rails App
https://code.spritle.com/snippets/34
Rails App Docker

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https://code.spritle.com/snippets/35
Selenium Hub Docker

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https://code.spritle.com/snippets/36
Blazemeter Docker

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• Docker machine is a tool to install Docker
engine on Virtual host and manage it.
Docker machine

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• Docker Service
• Docker Swarm
• Docker Swarm with Etcd
Deployment Architecture

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Project A
Server A
BuildServer
Server B
Node Balancer
RDSRedis

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Project B
BuildServer Nginx
Comm.
Service
Payment
Service
App

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