Docker-swarm

• docker-swarm install
• docker-swarm create

docker stack

• vi docker-compose.yml

version: "3.5"
services:
  web:
    image: containous/whoami
    ports:
      - "80:80"
    #    networks:
    #      - ext
    deploy:
      mode: replicated # replicate container on other swarm nodes
      replicas: 3 #number of replicas
      labels:
        - traefik.enable=true
        - traefik.port=80
        #- traefik.frontend.rule=Host:whoami.bis.info
        #- traefik.frontend.rule=Host:whoami.d-1ropa.com
        - traefik.frontend.rule=Host:whoami.98mti.de
        - traefik.frontend.passHostHeader=true
        #- traefik.frontend.rule=Host:whoami.clriser.net
        - traefik.protocol=http

• docker stack deploy -c docker-stack.yml $(basename $PWD)

• docker service ls

ID                  NAME                MODE                REPLICAS            IMAGE                      PORTS
wz126t6z1puo        whoami_web          replicated          3/3                 containous/whoami:latest   *:80->80/tcp

• docker stack example

links

• https://linuxconfig.org/how-to-configure-docker-swarm-with-multiple-docker-nodes-on-ubuntu-18-04
• https://clouding.io/kb/en-us/articles/360010288160-Docker-Swarm-on-Ubuntu-18-04
• https://geek-cookbook.funkypenguin.co.nz/recipes/nextcloud/