Deploy on Kubernetes Estimated reading time: 3 minutes Kubernetes is available in Docker for Mac 17.12 CE Edge and higher, and 18.06 Stable and higher, this includes a standalone Kubernetes server and client, as well as Docker CLI integration. The Kubernetes server runs locally within your Docker instance, is not configurable, and is a single-node cluster. The Kubernetes server runs within a Docker container on your local system, and is only for local testing. When Kubernetes support is enabled, you can deploy your workloads, in parallel, on Kubernetes, Swarm, and as standalone containers. Enabling or disabling the Kubernetes server does not affect your other workloads.
See to enable Kubernetes and begin testing the deployment of your workloads on Kubernetes. Use Docker commands You can deploy a stack on Kubernetes with docker stack deploy, the docker-compose.yml file, and the name of the stack.
The Universal Control Plane 3.0 documentation details how to configure an Nginx ingress controller, to provide Layer 7 ingress routing to deployments within Kubernetes. This article details how to deploy Traefik within UCP 3.0 as alternative Kubernetes ingress controller. The following Traefik.
Docker stack deploy -namespace my-app -compose-file /path/to/docker-compose.yml mystack Run kubectl get services -n my-app to see only the services deployed in the my-app namespace. Override the default orchestrator While testing Kubernetes, you may want to deploy some workloads in swarm mode. Use the DOCKERSTACKORCHESTRATOR variable to override the default orchestrator for a given terminal session or a single Docker command.
This variable can be unset (the default, in which case Kubernetes is the orchestrator) or set to swarm or kubernetes. The following command overrides the orchestrator for a single deployment, by setting the variable at the start of the command itself.
Docker stack deploy -orchestrator swarm -compose-file /path/to/docker-compose.yml mystack Note: Deploying the same app in Kubernetes and swarm mode may lead to conflicts with ports and service names. Use the kubectl command The mac Kubernetes integration provides the Kubernetes CLI command at /usr/local/bin/kubectl. This location may not be in your shell’s PATH variable, so you may need to type the full path of the command or add it to the PATH. For more information about kubectl, see the. You can test the command by listing the available nodes.
At DockerCon EU 2017, Docker announced support is coming for Kubernetes in Docker for Desktop. In this video, Docker Developer Advocate Elton Stoneman demonstrates how easy it will be to spin up a full Kubernetes environment on your workstation without any additional installation or configuration. Just install Docker for Mac or Docker for Windows and you're ready to go, using your choice of orchestrator. Docker is an open platform for developers and system administrators to build, ship and run distributed applications. With Docker, IT organizations shrink application delivery from months to minutes, frictionlessly move workloads between data centers and the cloud and can achieve up to 20X greater efficiency in their use of computing resources.
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Inspired by an active community and by transparent, open source innovation, Docker containers have been downloaded more than 700 million times and Docker is used by millions of developers across thousands of the world’s most innovative organizations, including eBay, Baidu, the BBC, Goldman Sachs, Groupon, ING, Yelp, and Spotify. Docker’s rapid adoption has catalyzed an active ecosystem, resulting in more than 180,000 “Dockerized” applications, over 40 Docker-related startups and integration partnerships with AWS, Cloud Foundry, Google, IBM, Microsoft, OpenStack, Rackspace, Red Hat and VMware.