Run Portainer WebUI for Docker on a docker host built using Alpine (3.8) Linux
Despite documentation publicly available on Internet, Portainer is not specially well documented in regard to docker volumes and other similar stuff. Best approach is to handle ourselves the volumes mounted per container.
You need to have certificates already created to pass to the docker command line / docker composer. Easier way to have that certificates is to use selfsigned certificates. Following line creates a 10-year valid self-signed certificates: