why not swarm? it's basically the same yml file except that you can do zero downtime deployment, simply with docker stack deploy -c stack.yml (swarm will outlin

why not swarm? it's basically the same yml file except that you can do zero downtime deployment, simply with docker stack deploy -c stack.yml (swarm will outline the image, warm up the container and switch traffic automatically). roll backs are also included for free. it's part of docker so no additional dependency