dockerhub balenalib iot base images

dockerhub has over 2000 balenalib iot base images

• https://hub.docker.com/u/balenalib/
• https://www.balena.io/docs/reference/base-images/base-images

balena have recently switched away from resin

https://www.balena.io/docs/reference/base-images/base-images/#major-changes

• UDEV now defaults to off, so if you have code that relies on detecting dynamically plugged devices, you will need to enable this in either your Dockerfile or via a device environment variable. See Working with Dynamically Plugged Devices.
• The INITSYSTEM functionality has been completely removed, so applications that rely on systemd or openRC should install and set up the initsystem in their apps. See Installing your own Initsystem.
• Mounting of /dev to a devtmpfs will now only occur when UDEV=on and the container is running as privileged. 1, true and on are valid value for UDEV and will be evaluated as UDEV=on, all other values will turn UDEV off.
• Support for Debian Wheezy has been dropped.
• armel architecture has been renamed to armv5e.