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Developer workflow with docker

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Overview of available solutions for running Docker containers from development to production.

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Developer workflow with docker

  1. 1. Developer Workflow with Docker From Development to Production
  2. 2. Disclaimer I am not trying to create a generalized workflow for all application developers. The idea is to give an overview of available solutions.
  3. 3. $ whoami ● Lalatendu Mohanty ● @lalatenduM on Twitter. ● lalatenduM on Freenode. ● Homepage/Blogs : lalatendu.org ● Working for Red Hat as a software engineer.
  4. 4. Things I am trying to cover in this talk ● Opinionated workflow for Kubernetes and Docker Compose/Swarm. ● As I have just 30 minutes for the presentation, I will only demo one project from each Kubernetes and Docker Compose/Swarm ecosystem. Note: Pivotal Cloud Foundry is absent in this the talk as they do not directly use Kubernetes or Docker Compose/Swarm.
  5. 5. Docker Compose Ecosystem ● Docker Toolbox (For Non-Linux/GNU OS) ○ Docker Compose ○ Docker Swarm ● Linux/GNU distributions have native support. ● Managing Production deployments. ○ Docker Cloud ○ Rancher 1.0 Note : Due to lack to time I am going to talk about Docker Cloud in this presentation.
  6. 6. Docker Cloud
  7. 7. Docker Cloud Salient Features ● Unified Interface for managing containers on public cloud and privately hosted machines ● Integration with Docker Compose and Docker Swarm. ● Integration with Docker Hub (public and private repositories) ● Security scanning in Docker Cloud
  8. 8. Docker Cloud Live Demo
  9. 9. Kubernetes ● Automating deployment, scaling, and management of containerized applications. ● Various ways to set up local development environment e.g. minikube, kmachine, Red Hat CDK.
  10. 10. Why PaaS? ● Complete lifecycle management of application. ● Developers can deploy application without help from operation team. ● Stable and transparent developer workflow. ● Supports the idea of continuous deployment (DevOps).
  11. 11. Cloud Native Paas Based On Kubernetes ● Deis ○ Deis builds upon Docker and CoreOS to provide a lightweight Paas. ● OpenShift ○ Uses Docker and Kubernetes and builds on top of it. ● Kel All of the above Paas solutions are open source. Both Deis and OpenShift supports both private and public Clouds. ● Rancher 1.0 also have a nice interface and tooling to deploy containers on a Kubernetes cluster. ● There are Kubernetes support in Public clouds too.
  12. 12. OpenShift ● Local development environment through ADB/CDK ○ ADB : Atomic Developer Bundle. ○ CDK: Container Development Kit. ● OpenShift Online. ● OpenShift Origin. ● OpenShift Dedicated.
  13. 13. OpenShift ● Automates application builds, deployments, scaling, health management and more. ● Developers have the choice and the ability to run multiple languages, frameworks, and databases on the same platform. ● It is a self service platform for application developers. ● Runs on top of physical or virtual, public or private cloud, and even hybrid cloud infrastructure. ● OpenShift dedicated for deploying/running it on public cloud e.g. AWS and Google Compute Engine. ● Suited for running micro-services kind of applications.
  14. 14. OpenShift Salient Features ● Uses Kubernetes orchestration, management and Docker as the container technology. ● Automated image builds and promotion. ● Deployments integrated with builds and CI. ● Source to image build process. ● Integrated networking (SDN, DNS, routing) for container networking. ● Fully integrated Docker registry. ● Integrate with Docker Hub and other 3rd party enterprises registries. ● Support for persistent volumes with various cloud storage solutions. ● Integrated enterprise features e.g authentication (LDAP etc), quota etc.
  15. 15. OpenShift Architecture
  16. 16. OpenShift Demo On CDK
  17. 17. Red Hat Container Development Kit 2.0 ● Development environment same as the production environment. ● Easiest way to setup OpenShift. ○ One command to set up/destroy i.e. “vagrant up” roy" and “vagrant destroy” ○ There are templates of sample applications. ● Quickly get single node Kubernetes setup or Docker run time Windows, OS X, Linux/GNU. ● Overview: http://developers.redhat.com/products/cdk/overview/ ● The upstream project of CDK is called Atomic Developer Bundle.
  18. 18. How to get CDK? ● Sign up for developer.redhat.com. ● Follow: http://developers.redhat.com/products/cdk/get-started/
  19. 19. Atomic Developer Bundle ● Upstream community project of Red Hat Container Development Kit. ● Helps to create developer environment for Docker, OpenShift Origin, Kubernetes, Mesos Marathon. ● Github Url: https://github.com/projectatomic/adb-atomic-developer-bundle.
  20. 20. Questions?
  21. 21. References ● http://blog.kubernetes.io/2015/11/Kubernetes-as-Foundation-for-Cloud- Native-PaaS.html ● https://www.openshift.com/enterprise/features.html ● https://www.youtube.com/watch?v=wjWgVApNbQA ● http://developers.redhat.com/products/cdk/overview/

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