k8s is much more complicated than docker swarm. i think the move from docker swarm to k8s was a mistake for 90 percent of companies. docker swarm can do what k8s does and is much less complicated. self healing? yes multi node? yes. now people need to learn kubectl/helm etc. i think it's too much overhead for 90 percent of cases. this opinion is shared dockerswarm.rocks/

docker deep dive by nigel poulton very well written, this book had big shoes to fill