k3s-docker-compose.yml

## Docker Compose to enable k3s to run locally exclusively on single osuosl node

services:
  server:
    image: "rancher/k3s:v1.31.3-k3s1-amd64"
    command: server
    tmpfs:
    - /run
    - /var/run
    ulimits:
      nproc: 65535
      nofile:
        soft: 65535
        hard: 65535
    privileged: true
    restart: always
    environment:
    - K3S_TOKEN=godon
    - K3S_KUBECONFIG_OUTPUT=/output/kubeconfig.yaml
    - K3S_KUBECONFIG_MODE=666
    volumes:
    - k3s-server:/var/lib/rancher/k3s
    # This is just so that we get the kubeconfig file out
    - /run:/output
    ports:
    - 127.0.0.1:6443:6443  # Kubernetes API Server
    - 127.0.0.1:80:80      # Ingress controller port 80
    - 127.0.0.1:443:443    # Ingress controller port 443

  agent:
    deploy:
      mode: replicated
      replicas: 3
    image: "rancher/k3s:v1.31.3-k3s1-amd64"
    tmpfs:
    - /run
    - /var/run
    ulimits:
      nproc: 65535
      nofile:
        soft: 65535
        hard: 65535
    privileged: true
    restart: always
    environment:
    - K3S_URL=https://server:6443
    - K3S_TOKEN=godon
    volumes:
    - k3s-agent:/var/lib/rancher/k3s

volumes:
  k3s-server: {}
  k3s-agent: {}