Docker, OSS and Azure

Mar 29, 2017Download as PPTX, PDF1 like681 views

Short introduction to Docker, the OCI, containerd and the Docker platform on Azure. Covers Docker Compose and Docker Swarm Mode.

Docker, OSS and Azure
A Short Introduction
Elton Stoneman
@EltonStoneman | elton@docker.com

• Why Docker containers?
• Docker and OSS
• Docker on Azure HOLs

Density. 5-10X over VMs
4
8 VMs
40 containers

Portability. Consistent deployment
5
Build Test Prod

Security. Provenance & trust
6
Security ScanningContent Trust

Open JDK
Tomcat
Web App
Ubuntu
Apache
> docker build

FROM tomcat:7-jre8
COPY app.war /usr/local/tomcat/webapps/
EXPOSE 8080
ENTRYPOINT catalina.sh run

# escape=`
FROM microsoft/iis:windowsservercore
SHELL ["powershell", "-Command"]
RUN Remove-Website -Name 'Default Web Site'; `
New-Item –Type Directory –Path C:app; `
New-Website -Name 'product-launch' `
-PhysicalPath 'C:app' -Port 80
COPY ProductLaunchWeb /app

Docker Image
• Single (logical) binary
• Complete application stack
• Packaged & configured

Image Registry
• Shared image store
• Free, commercial & EE products
• Open source package

Docker Container
• Logical process boundary
• Namespaces & cgroups
• Open implementation

Docker Compose
20
• Distributed solutions
– Multiple containers
• Organization
– Single deployment doc
• Running
– Start, stop and scale

version: '3'
services:
elasticsearch:
image: sixeyed/elasticsearch:nanoserver
message-queue:
image: nats:nanoserver
index-prospect-handler:
image: sixeyed/product-launch-index-handler:v4
depends_on:
- elasticsearch
- message-queue

Docker Compose Fundamentals
• Organizing distributed solutions
– Single definition | Multiple environments
• Managing multi-container solutions
– Start, stop, scale | Update
• Client-side tool
– Local YAML file | Remote Docker engine

Docker Swarm
23
Manager Worker WorkerWorker

Docker Swarm Fundamentals
• Native Docker clustering
– OS | Docker
• Manager-worker architecture
– High-availability | Scale out
• Zero-downtime updates
– Application updates | Node patching

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