Docker Container As A Service - March 2016
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Docker Container As A Service
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Docker Container As A Service - March 2016
- 1. Container as a Service with Docker Patrick Chanezon, Docker Inc. @chanezon
- 2. French Polyglot Platforms Software Plumber San Francisco Developer Relations @chanezon
- 3. 1995 2015
- 4. “The future is already here — it's just not very evenly distributed” William Gibson, Neuromancer
- 5. Docker’s mission is to build tools of mass innovation
- 6. Internet (hardware layer) Servers Desktops Phones Cars Houses Drones Network equipment Public transit TVs Industrial facilities Scientific instruments Financial system Programmers Internet (software layer) App App App App App App App App App App App App App App App App App App App App App App App App App App App App
- 7. Internet (hardware layer) Servers Desktops Phones Cars Houses Drones Network equipment Public transit TVs Industrial facilities Scientific instruments Financial system Programmers App App App App App App App App App App App App App App App App App App App App App App App App App App App App a software layer to program the internet
- 8. Cloud Market PublicHybridPrivate IT Pros Devops DevelopersArchitects
- 10. The Docker mission Build Ship Run Anywhere Distributed Applications 10
- 11. XaaS Pyramid Platform As A Service Infrastructure As A Service Software As A Service
- 14. 5 Goldilocks and the 3 XaaS Just rightToo highToo low IaaS PaaS CaaS
- 15. 5 Goldilocks and the 3 XaaS Platform As A Service Infrastructure As A Service Software As A Service Too high Too low Just right Container As A Service
- 16. 5 Goldilocks and the 3 XaaS Container As A Service Infrastructure As A Service Software As A Service
- 17. Docker Containers as a Service (CaaS) An IT managed and secure application content and infrastructure where developers can self service build and deploy applications
- 18. The Docker Journey: The Power of AND To run these Dockerized applications in production, teams need to secure and manage the infrastructure, apps and service levels Control 18 Speed and simplicity are the #1 drivers leading developers to try Docker Agility By default, the Docker technology, gives apps (containers) portability across environments Portability Continuous Integration Pre-production environments deliver only 50% of the Docker value Docker Containers as a Service (CaaS)
- 19. Lessons learned: Avoid these pitfalls 1 2 3 Developers don’t adopt locked down systems Existing “end to end” solutions break the Docker experience Beware of lock-in and loss of portability 19
- 20. Let’s Play: Where’s Whaledo
- 21. in Google Container Engine? $ docker build -t gcr.io/${PROJECT_ID}/hello-node . $ gcloud docker push gcr.io/${PROJECT_ID}/hello-node $ gcloud container clusters create hello-world --num-nodes 1 --machine-type g1-small $ kubectl run hello-node -- image=gcr.io/${PROJECT_ID}/hello-node --port=8080 $ kubectl get services hello-node $ kubectl scale rc hello-node --replicas=3 https://cloud.google.com/container-engine/docs/tutorials/hello-node
- 22. in Kubernetes?
- 23. in EC2 Container Service? $ ecs-cli up --keypair id_rsa --capability-iam —size 2 --instance-type t2.medium create a compose file $ ecs-cli compose --file hello-world.yml up $ ecs-cli ps $ ecs-cli compose --file hello-world.yml scale 2 $ ecs-cli compose --file hello-world.yml service up http://docs.aws.amazon.com/AmazonECS/latest/developerguide/ECS_CLI_tutorial.html
- 24. in Red Hat? $ ./openshift kube apply -c docker-registry-config.json OpenShift relies on the concept of Builds to turn your application source into a runnable Docker image $ ./openshift kube create buildConfigs -c application- buildconfig.json $ curl -s -A "GitHub-Hookshot/github" -H "Content- Type:application/json" -H "X-Github-Event:push" -d @github- webhook-example.json http://localhost:8080/osapi/v1beta1/buildConfigHooks/build100/se cret101/github $ ./openshift kube process -c application-template.json | ./openshift kube apply -c - https://blog.openshift.com/openshift-v3-deep-dive-docker-kubernetes/
- 26. in Pivotal Cloud Foundry? $cf api --skip-ssl-validation api.bosh-lite.com $cf auth admin admin $cf create-org diego $cf target -o diego $cf create-space diego $cf target -s diego $cf push my-app --no-start $cf start my-app https://github.com/cloudfoundry-incubator/diego-release
- 27. in Pivotal Cloud Foundry? runC
- 28. The Docker CaaS Platform 28 BUILD SHIP RUN Docker Toolbox Docker Trusted Registry Docker UCP Docker Hub Docker Tutum Developer Workflows Secure Content and Collaboration Deploy, Manage, Scale
- 29. Developers IT Operations BUILD Developer Workflows SHIP Secure Content & Collaboration RUN Deploy, Manage, Scale Docker CaaS Platform
- 30. Docker Containers as a Service platform 30 BUILD Developer Workflows SHIP Registry Services RUN Management Docker Toolbox Docker Trusted Registry Docker Universal Control Plane Docker Hub Docker Cloud Docker Engine Ecosystem Plugins and Integrations
- 31. Characteristics of a CaaS: The Power of AND 31 Address needs of developers and IT ops Support all stages in application lifecycle Any language Any operating system Any infrastructure Open APIs and pluggable architecture Broad ecosystem support
- 32. Docker CaaS enables key initiatives 32 Continuous Integration DevOps Developer Self Service Data PipelinesMicroservices Continuous Delivery Containerization Hybrid CloudMulti Cloud
- 33. Use Case: Decentralized CaaS for hybrid and multi cloud portability Private datacenter for regulated apps Central Portal • Provision resources • RBAC to VPC / datacenter • Trusted Registry hosted application templates Cloud for all other apps VPC 1 VPC2 App 1 App 2 App App 1 App 2 App Cloud Portability App Portability
- 34. Use Case: Centralized CaaS for transformation to DevOps and micro services After Authorization App Registration Session Management Marketplace Integration Logging …more Trusted RegistryApp Service App Service App A App B Auth …more App Reg Marketplace Logging Auth Session …more App Reg Logging Before App Teams App BAuth App Reg Marketplace Logging App Service Universal Control Plane App AAuth App Reg Marketplace Logging App Service App BAuth App Reg Marketplace Logging App Service App AAuth App Reg Marketplace Logging App Service Portability
- 35. Demos
- 36. • Docker Swarm, Compose and networking • docker 1.10 • swarm 1.1.0 • compose 1.6.0 with networking Spring Boot App using MongoDB https://github.com/joshlong/spring-doge https://github.com/chanezon/docker-tips/orchestration-networking
- 37. THANK YOU
- 38. Let’s Dockerize a Neo4J App https://github.com/neo4j-examples/movies-java-spring-data-neo4j-4
- 39. • Service Discovery • https://github.com/gliderlabs/registrator • https://github.com/hashicorp/consul-template • https://github.com/ehazlett/interlock • Persistent volumes with Swarm and Rex Ray on AWS • http://blog.emccode.com/2015/11/03/use-docker-swarm-with-a-data- persistence-layer/ • https://github.com/emccode/rexray • Kubernetes on Swarm • https://github.com/docker/swarm-frontends Orchestration projects
- 40. • IPVS, Andrey Sibiryov, http://www.slideshare.net/Docker/kernel-load- balancing-for-docker-containers-using-ipvs • DNS Service Discovery for Docker Swarm, Ahmet Alp Balkan, http://www.slideshare.net/Docker/dns-service-discovery-for-docker-swarm Load Balancing
- 41. • Spring Boot, MongoDB, compose, swarm, networking • https://github.com/joshlong/spring-doge • https://github.com/chanezon/docker-tips/orchestration-networking • Java EE 7 / Angular App with Docker Swarm by @mgreau Compose for build and deploy, Wildfly, Apache, Angular, Mysql, Redis, batch and API apps • https://github.com/mgreau/docker4dev-tennistour-app • Java EE Docker & Kubernetes by @arun-gupta • https://github.com/javaee-samples/docker-java Java Examples
- 42. • Docs https://docs.docker.com/engine/userguide/networking/dockerne tworks/ • Create a Swarm cluster with networking https://github.com/chanezon/docker-tips/orchestration- networking • Networking in compose https://github.com/docker/compose/blob/master/docs/networki ng.md • Nathan Leclaire Seamless Docker Multihost Overlay Networking on DigitalOcean With Machine, Swarm, and Compose, Docker networking
- 43. • Using Ansible with Docker Machine to Bootstrap Host Nodes http://nathanleclaire.com/blog/2015/11/10/using-ansible-with- docker-machine-to-bootstrap-host-nodes/ • Seamless Docker Multihost Overlay Networking on DigitalOcean With Machine, Swarm, and Compose, RethinkDB http://nathanleclaire.com/blog/2015/11/17/seamless-docker- multihost-overlay-networking-on-digitalocean-with-machine- swarm-and-compose-ft.-rethinkdb/ Nathan’s tips
Editor's Notes
- The Docker mission is enable organizations to build, ship and run distributed applications anywhere.
- Leading to the Docker Journey – What we have learned from the millions of developers that have already traveled this journey is that The promise of agility (speed and flexibility) drew them to Docker, with how quickly they could setup their development environments to the realization that these new containers were now portable to any environment like never before. These two things are what made Docker hugely successful in the developer community with the CI use case. But CI only realizes half of the potential value of Docker because the app pipeline just switches back to a “waterfall” or “over the wall” at deployment. In order for the much loved developer platform to gain widespread adoption in an organization, the right management construct was required. To provide this much needed control, platforms (PaaS) and bundled solutions (i.e. Tectonic) emerged in an attempt to complete the journey but their approach ends up sacrificing portability and agility for the user. Thousands of Docker users chose to not adopt those solutions and instead built it themselves with glue code and bash scripts because they didn’t want to forego the agility and portability that drew them to Docker in the first place. Just a simple search on Github for ‘Docker’ will show the ecosystem of tools written by users and shared with the community So, where do we go from here?
- To do that, we can accelerate our path by learning from those who have traveled this path before and avoid common pitfalls when investigating solutions. An environment that is too locked down becomes a hassle for developers and adoption will suffer. Shadow IT behavior will emerge and developers will start creating new tools and processes to be able to use the languages they need and complete their work. EXAMPLE: BBC News had a locked down CI environment that did not include the tooling needed by many of the developers so the team created a side process to use the languages they needed. That not only went outside the official systems but then added a few days to each CI job. 2) Many of the existing solutions on the market are either too opinionated of a PaaS or are cobbled together solutions with a number of different products. These solutions can be difficult to deploy and manage over time. More specifically, many of them support the Docker format or take the Docker code and customize it for their solution environment. This can break not only the developer experience but also the ops side of the experience because they only supporting parts of the Docker API – so the user will not experience the desired behavior in all situations. This also breaks the ecosystem because the hundreds of partners building to the API may have compatibility issues against these solutions. 3) Portability is a default requirement for distributed applications. As the content creator, you must retain control of where that app lives and your ability to move it from environment to environment, to a different team and to different infrastructure providers. Other pitfalls… Developers will run entire application lifecycle outside of infra ops (shadow IT) Infrastructure-centric “container solutions” break developer experience Organizational finger-pointing is compounded because of stifled productivity Legacy applications get overlooked Gilt also shares the example where emphasizing control lead to a “cycle of suck” where they were taking longer to ship and with less innovation
- Local development environments Self service app images Build, Test, Deploy applications Define app behavior and infra needs Registry services for image storage, management and distribution IT Ops maintains library of secure base content Manage role based access to repos/images Management consoles Provision, manage infrastructure resources Monitor, manage, scale infrastructure and applications
- Docker is the only solution to give you agility, control and portability for all your distributed apps. The right choice in helping transform your business into an agile business. The platform is the only commercially supported Docker solution available on the market today. Other vendors who state they support Docker is not actually providing technical support and maintenance into the Docker product code. Docker is the only commercial yet open platform that gives you the operational flexibility you need. And unlike other solutions, Docker is… Language agnostic: C, Java, Phython, PHP, Go…. Infrastructure agnostic: on-prem, cloud, virtual, bare metal All stages: from dev to test to release engineering to production Any OS: Linux, Windows, Solaris Docker enables agile distributed applications in production to create agile companies
- So these
- This leading phahas a hybrid cloud environment and would like to have a portal to completely abstract away the infrastructure details from their app teams. This way in the portal they request compute resources. Depending on if the app is regulated or not, the actual provisioning and deployment will happen to either an AWS VPC or their private datacenter. In addition to the portal, J&J would like to add a central IT managed marketplace to get app templates and images to help the teams get started. Once provisioned, the actual deployment and ongoing management is de-centralized and owned by the application teams. Use Cases - Developer self service - Hybrid cloud portability - Multi cloud environment Why Docker? App portability is a MUST. Over time they want the option to move the DC apps to cthe cloud as regulations change. Additionally they have already added Azure to their environment and would like to be able to move apps to the new clouds.
- ADP operates in a more traditional centralized IT model where IT manages and operates the application and environment ongoing. ADP looked at Docker as they began their transition to DevOps. They were interested in gaining more efficiencies and re-use of code by moving to a shared services model instead of monoliths with a lot of repeat services. ADP has OpenStack for their private cloud and AWS for their public cloud. As part of the transition, ADP would will setup a central marketplace where the shared services apps are available for the app teams. In the ADP example both the environment and ongoing management remains centralized. Use Cases - Transition to Micro services - Enable Dev Ops - CI/CD Why Docker? Need app portability so they can choose to move across AWS / Openstack