Docker swarm reloaded
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Presentation of the new Docker Swarm Mode in Docker 1.12 at the Bamberg/Germany Docker User Group Meetup (http://www.meetup.com/de-DE/Docker-Bamberg/) in July 2016.
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- Basic Docker commands are demonstrated for pulling images, running containers, building images from Dockerfiles, and pushing images to registries.
- Networking, volumes, and Docker Compose/stacks for defining and running multi-container applications are also introduced.
Introduction to Docker
Docker allows you to package, distribute and run a piece of software, including everything it needs to run: code, runtime, tools, libraries – anything you can install on a server. This guarantees that it will run and behave the same on any environment.
We will be showcasing the following Docker tools and features: Docker Engine, Docker Registry, Docker Compose, Docker Machine, Docker Swarm, Docker Networking
Next to introducing you to these tools, Tom Verelst will also be covering the following topics: Containerisation, Immutable Infrastructure, Docker Orchestration, Continuous Integration with Docker
Presentation sources: https://github.com/tomverelst/docker-presentation
Youtube video: https://www.youtube.com/watch?v=heBI7oQvHZU
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Docker swarm reloaded
- 2. GOVINDA FICHTNER Paessler AG Nürnberg The network monitoring company Ansible, Chef, Amazon AWS, Linux, CI/CD Python, Ruby/Rails, Go … and Docker :) DevOps & Cloud Engineer Member of the Hypriot Docker Pirates
- 3. Docker presents Docker 1.12 Mission Make Orchestration as simple as Containers
- 4. Orchestration of course means Docker Swarm
- 5. DOCKER SWARM STANDALONE it is the old Docker native clustering solution it is not deprecated future versions of Docker will stay compatible with it relatively complex to set up has external dependencies e.g. distributed key/value store lives at https://github.com/docker/swarm
- 6. DOCKER SWARM MODE it is the new Docker Swarm clustering solution exists side-by-side with the old Docker Swarm disabled by default based on https://github.com/docker/swarmkit
- 7. DOCKER SWARM MODE FEATURES no external dependencies simple to set up built-in/integrated with Docker-Engine secure by default managed with the standard Docker CLI decentralised & resilient
- 8. SWARM MODE ARCHITECTURE Manager nodes: responsible for orchestrating & maintaining the cluster state communication based on the RAFT protocol
- 9. SWARM MODE ARCHITECTURE Worker nodes: receive tasks (containers) dispatched by manager nodes Manager nodes can be worker nodes, too
- 11. DOCKER SWARM MODE CONCEPTS Manager Node - dispatches tasks to Worker Nodes & Cluster Management Swarm - Cluster of Docker Engines with Swarm Mode enabled Node - either Manager or Worker Load Balancing - Ingress load balancing on all nodes Task - the actual container running on a Worker Node Service - Definition of the Tasks that should run on Workers
- 12. Demo Time
- 13. DOCKER SWARM MODE DEMO 1 getting started fast & experiment based on Vagrant/Virtualbox Github-Repo: https://github.com/hypriot/swarmlab
- 14. DOCKER SWARM MODE DEMO 2 it’s basically a CloudFormation Template & Ami based on AWS Currently in Beta only via invite integrated with AWS infrastructure: ELB, Autoscaling Groups…
- 15. https://github.com/hypriot http://blog.hypriot.com @HypriotTweets @_beagile_ Govinda Fichtner GET IN TOUCH Image with bird swarm courtesy of Brent M at www.flickr.com/photos/thewakingdragon