use arturol76/phusion-baseimage (phusion 0.10.2 with SSH enabled) instead of dlandon/baseimage
zoneminder version is chosen at build time via ARG (look at build.sh)
zmeventnotification server (ZMES) and yolo/tiny_yolo models are installed via ZMES install.sh script and embedded into the image (for super-fast startup of container)
face recognition embedded into the image (for super-fast startup of container)
as ZMES, models and face recognition are embedded by default, env variables INSTALL_HOOK, INSTALL_FACE INSTALL_TINY_YOLO="1", INSTALL_YOLO="1" are removed
additional dependencies to remove some warnings
nano editor
use letsencrypt keys if env variable LETSENCRYPT_DOMAIN is set (see below)
apt update at container's startup can be enabled/disabled via env var APT_UPDATE