Docker 101 Checonf 2016

Docker 101 and Why Docker Powers Eclipse Che

Patrick Chanezon, Docker

French

Polyglot

Platforms

Software Plumber

San Francisco

Developer Relations

@chanezon

PublicHybridPrivate

Ops Devops Developers

Linux Container Ecosystem

flockerglusterfs

weavecalicomidokuracisconuage

Cloud

OS

Plugins

Orchestration

The world needstools of mass innovation

A programmable Internet would be the ultimate tool of mass innovation

A commercial product,

built ona development platform,

built oninfrastructure,

built onstandards.

Docker is building a stack to program the Internet

Isolation using Linux kernel featuresnamespaces pid mnt net uts ipc user

cgroups memory cpu blkio devices

Image layers

Dockerfile

FROM java:8MAINTAINER Patrick Chanezon <patrick@chanezon.com>EXPOSE 8080COPY spring-doge/target/*.jar /usr/src/spring-doge/spring-doge.jarWORKDIR /usr/src/spring-dogeCMD java -Dserver.port=8080 -Dspring.data.mongodb.uri=$MONGODB_URI -jar spring-doge.jarHEALTHCHECK --interval=5m --timeout=3s --retries=3 \ CMD curl -f http://localhost:8080/ || exit 1

Using Docker to compile your jar/war

https://registry.hub.docker.com/_/maven/

docker run -it --rm \-v $PWD:/usr/src/spring-doge \-v maven:/root/.m2 \-w /usr/src/spring-doge \maven:3.3-jdk-8 \mvn package

Build an imagedocker build -t chanezon/spring-doge .FROM java:8MAINTAINER Patrick Chanezon <patrick@chanezon.com>EXPOSE 8080COPY spring-doge/target/*.jar /usr/src/spring-doge/spring-doge.jarWORKDIR /usr/src/spring-dogeCMD java -Dserver.port=8080 -Dspring.data.mongodb.uri=$MONGODB_URI -jar spring-doge.jarHEALTHCHECK --interval=5m --timeout=3s --retries=3 \ CMD curl -f http://localhost:8080/ || exit 1

Analyzing imagesdocker images javadocker history java:8

Run a containerdocker run \—env MONGODB_URI=mongodb://mongo:27017/test \-p 8090:8080 \chanezon/spring-doge

docker-compose: running multiple containers Run your stack with one command: docker-compose

up Describe your stack with one file: docker-compose.ymlversion: '2'services: web: image: chanezon/spring-doge ports: - "8080:8080" links: ["mongo"] environment: - MONGODB_URI=mongodb://mongo:27017/test mongo: image: mongo

Using the service APIdocker network create -d overlay dogenet

docker service create --name mongo \--network dogenet \mongo

docker service create --name doge \--network dogenet \--publish 8070:8080 \--replicas 3 \--env MONGODB_URI=mongodb://mongo:27017/test \chanezon/spring-doge

Demo

• Spring Boot, Spring Data• AngularJS front-end• docker 1.12• compose 1.8.1

Spring Boot App using MongoDB

https://github.com/joshlong/spring-doge

https://github.com/chanezon/docker-tips/https://github.com/chanezon/spring-doge

Docker Java Labs

https://github.com/docker/labs/tree/master/developer-tools/

• Wildfly and Couchbase J2EE App• Debugging a Java app in Docker using Eclipse

What’s New?

1.

Developer experience

1. Get out of the way

The best tools…

2. Adapt to you

3. Make thepowerful simple

Docker for Mac Docker for Windows

2.

Orchestration

Introducing the best way to orchestrate Docker: Docker.

Docker 1.12: now with orchestration built-in.

Swarm mode

Service API

Cryptographic node identity

Built-in routing mesh

Docker 1.12: now with orchestration built-in.

Using the beta? You already have 1.12 installed.

> docker swarm init> docker service create

3.

Ops experience

Deep integration with native load-balancers, templates,SSH keys, ACLs, scaling groups, firewall rules…

beta.docker.com

Distributed Application Bundle

experimenta

l www.docker.com/dab

A portable format for multi-container applications

Docker Store Beta

Docker CaaS

Goals

+ +

Agility Portability Control

BUILDDevelopment Environments

SHIPRegistry: Secure Content &

Collaboration

RUNControl Plane: Deploy,

Orchestrate, Manage, Scale

Networking Volumes MonitoringLoggingConfig MgtCI/CD

IT OperationsDevelopers IT Operations

Docker CaaS Workflow

Docker Universal Control Plane

Integrated Security

Docker EngineContainer runtime, orchestration, networking, volumes, plugins

Docker Trusted Registry

Operating Systems Config Mgt Monitoring LoggingCI/CD ..more..Images Networking Volumes

VirtualizationPublic Cloud Physical

Docker Datacenter

Docker Datacenter platform

Docker Universal Control Plane

UCP Permission Model

What’s New in Docker Datacenter (Nov 2016)

Orchestration & Operations

• Built in Docker 1.12 orchestration

• Desired app state with docker service

• Backwards compatibility for ‘docker run’

• HTTP Routing Mesh (experimental)

• Expanded storage support

End to End Security

• Integrated Notary installation and HA as part of DTR

• Layered image signing and runtime policy enforcement

• Improved Access Controls

User Experience

• Refreshed GUI • Node management• GC performance

enhancements• Container health checks• Tag metadata and

activity streams• Installation flags

Security scanning in Docker Cloud

Thank You

CheConf2016 Agenda: Up Next11:0

0CheConf Keynote 15:00 Deploying Che to OpenShift

12:00

Language Server Protocol 15:30 Pair Programming in Che

12:30

Host any Project in Che 16:00 Building an IoT IDE with Che

13:30

Docker in Che 16:30 Codenvy: Che for Enterprises

14:00

Extending Che 17:00 Become Part of the Project