# to run define K3S_TOKEN, K3S_VERSION is optional, eg:
#   K3S_TOKEN=${RANDOM}${RANDOM}${RANDOM} docker-compose up

x-environment: &default-env
  K3S_TOKEN: ${K3S_TOKEN:-test}

services:
  server:
    image: "rancher/k3s:${K3S_VERSION:-latest}"
    command:
    - 'server'
    tmpfs:
    - /run
    - /var/run
    ulimits:
      nproc: 65535
      nofile:
        soft: 65535
        hard: 65535
    privileged: true
    restart: always
    environment:
      <<: *default-env
      K3S_KUBECONFIG_OUTPUT: /output/kubeconfig.yaml
      K3S_KUBECONFIG_MODE: 666
    volumes:
    - k3s-server:/var/lib/rancher/k3s
    # Output is where the `kubeconfig.yaml` file will be written
    - .:/output
    ports:
    - 6443:6443  # Kubernetes API Server
    - 80:80     # Ingress controller port 80, localhost:8000
    - 443:443   # Ingress controller port 443, localhost:8443
    networks:
      - k3s

  agent:
    image: "rancher/k3s:${K3S_VERSION:-latest}"
    tmpfs:
    - /run
    - /var/run
    ulimits:
      nproc: 65535
      nofile:
        soft: 65535
        hard: 65535
    privileged: true
    restart: always
    environment:
      <<: *default-env
      K3S_URL: https://server:6443
    volumes:
    - k3s-agent:/var/lib/rancher/k3s
    networks:
      - k3s
volumes:
  k3s-server: {}
  k3s-agent: {}

networks:
  k3s:
    driver: bridge