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Questions tagged [k3d]

k3d creates containerized k3s clusters. It allows spinning up multi-node clusters on a single machine with docker.

k3s is the lightweight Kubernetes distribution by Rancher: rancher/k3s

k3d creates containerized k3s clusters. This means, that you can spin up a multi-node k3s cluster on a single machine using docker.

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How to expose traefik v2 dashboard in k3d/k3s via configuration?

*Cross-posted to k3d github discussions, to a thread in Rancher forums, and to traefik's community discussion board Tutorials from 2020 refer to editing the traefik configmap. Where did it go? The traefik installation instructions refer to a couple…
Eric Swanson
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kubernetes - k3d how to use local directory as a Persistent volume

I am using k3d to run local kubernetes I have created a cluster using k3d. Now I want to mount a local directory as a persistent volume. How can i do this while using k3d. I know in minikube $ minikube start…
Santhosh
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JcaPEMKeyConverter is provided by BouncyCastle, an optional dependency. To use support for EC Keys you must explicitly add dependency to classpath

I have a simple Flink streaming app. It runs well in a cluster created by start-cluster.sh command. Now based on the Flink tutorial, I hope to deploy it in application mode natively in a Kubernetes cluster created by k3d on macOS. First, I created a…
Hongbo Miao
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K3D (Kubernetes) Registry Fails with No Such Host

It appears the default K3D registry commands are broken. k3d registry create test-registry.localhost --port 23456 k3d cluster create test-cluster --registry-use k3d-test-registry.localhost:23456 docker tag nginx:latest…
user3162553
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Can't create k3d cluster

This must be a newbie question. Going through a k3d tutorial. Trying to do $ k3d cluster create mycluster --api-port 127.0.0.1:6445 --servers 3 --agents 2 --volume '/home/me/mycode:/code@agent[*]' --port '8080:80@loadbalancer' FATA[0000] failed to…
Irina Rapoport
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k3d tries to pull Docker image instead of using the local one

Just study the core of K8S on local machine (Linux Mint 20.2). Created one node cluster locally with: k3d cluster create mycluster And now I want to run spring boot application in a container. I build local image: library:0.1.0 And here is…
catch23
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Unable to deploy cluster(k3d->k3s) on ARM64, fails to spin up serverlb node

I am trying to setup a k3s cluster with k3d for use together with portainer. I am running the latest archlinux-arm on the rockpro64 with the latest docker version, along with a current version of kubectl and k3d, all compatible with ARM64, and I…
jaaq
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How can I create an Ubutnu-based image for k3d?

I'm trying to create an Ubuntu-based image for k3d and running into some problems. Please help Dockerfile ARG K3S_VERSION=v1.22.6-k3s1 FROM rancher/k3s:${K3S_VERSION} AS k3s FROM ubuntu:20.04 COPY --from=k3s / / RUN mkdir -p /etc \ && echo…
MrSimonEmms
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K3d DNS issue with pod

With k3d, I am receiving a DNS error when the pod tries to access a URL over the internet. ERROR: getaddrinfo EAI_AGAIN DNS could not be resolved How can I get past this error?
Khushaboo Shandilya
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Specify custom docker socket address when using k3d?

I have just started using k3d for local testing of ephemeral clusters. Locally it works great - I use pretty much default docker settings with no problems. I would like to add automated tests like this using GitLab CI. On GitLab workers, the docker…
hauron
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how to create a multi-host k8s cluster using k3d

I have two mac mini computers and I'm trying to create a K8s cluster using k3d. I can create a cluster on a single host very easily. However, I'm having trouble finding any guidance on creating a cluster that has multiple hosts (machines). Any…
LukeW
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Run a K3S server in a docker container, and connect a K3S agent in another docker container

I know k3d can do this magically via k3d cluster create myname --token MYTOKEN --agents 1, but I am trying to figure out how to do the most simple version of that 'manually'. I want to create a server something like: docker run -e K3S_TOKEN=MYTOKEN…
ricky116
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How do I find and call the kube-apiserver in k3s / k3d (with Calico and without it)?

I want to use the kube-apiserver to enable/disable admission controllers (e.g. kube-apiserver --enable-admission-plugins=NamespaceLifecycle), but I cannot find it anywhere. When I run the following, I don't see it anywhere: # Running this: kubectl…
Don Rhummy
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How to increase allocated memory in a k3d cluster

I am on a learning curve with Kubernetes and recently started working with K3D. I am trying to deploy my project on a local K3D cluster. When I created a pod to run an application, I saw it hang in the pending state for some time, and below is the…
Sathya
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Issue pulling docker image from k3d managed local registry

I am creating a registry: k3d registry create registry.localhost --port 8087 a registry.yaml file: mirrors: 'localhost:8087': endpoint: - http://k3d-registry.localhost:8087 and a cluster: k3d cluster create dev -p…
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