Docker swarm

• Docker: https://docs.docker.com/engine/install/ubuntu/

sudo apt-get remove docker docker-engine docker.io containerd runc

sudo apt-get update
sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release

sudo mkdir -p /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

sudo apt-get update

sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin

docker run -d -p 3000:80 nginx

• Swarm: https://docs.docker.com/engine/swarm/swarm-tutorial/create-swarm/

  docker swarm init --advertise-addr {outside ip}
  docker info
  docker node ls

docker network create -d overlay crm_network

docker service create --replicas 6 --name apa-sim -p 30000:80 cohenaj194/apache-simple

apt instapp jq
docker container inspect --format '{{json .NetworkSettings.Networks}}' $(docker container ls -lq) | jq '.'

https://garutilorenzo.github.io/nginx-ingress-controller/