K3S Docker Docker-Compose
#Deploy K3S cluster in Docker
#Save this content in docker-compose.yml file
#Run docker-compose up -d
server:
image: rancher/k3s:v1.17.2-k3s1
command: server --disable-agent --no-deploy traefik
environment:
- K3S_CLUSTER_SECRET=somethingtotallyrandom
- K3S_KUBECONFIG_OUTPUT=/output/kubeconfig.yaml
- K3S_KUBECONFIG_MODE=666
volumes:
# k3s will generate a kubeconfig.yaml in this directory. This volume is mounted
# on your host, so you can then 'export KUBECONFIG=/somewhere/on/your/host/out/kubeconfig.yaml',
# in order for your kubectl commands to work.
- /somewhere/on/your/host/out:/output
# This directory is where you put all the (yaml) configuration files of
# the Kubernetes resources.
- /somewhere/on/your/host/in:/var/lib/rancher/k3s/server/manifests
ports:
- 6443:6443
node:
image: rancher/k3s:v1.17.2-k3s1
privileged: true
links:
- server
environment:
- K3S_URL=https://server:6443
- K3S_CLUSTER_SECRET=somethingtotallyrandom
volumes:
# this is where you would place a alternative traefik image (saved as a .tar file with
# 'docker save'), if you want to use it, instead of the traefik:v2.5 image.
- /sowewhere/on/your/host/custom-image:/var/lib/rancher/k3s/agent/images